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2005 中學中級卷 英文試題(2005 Intermediate English Paper)

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(1)

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(2)

Questions 1 to 10, 3 marks each

1.

The value of 2005 + 5002 is

(A) 3003

(B) 4004

(C) 5555

(D) 2222

(E) 7007

2.

In the diagram, the value of x is

(A) 130

(B) 50

(C) 80

(D) 70

(E) 100

... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... . . ... . .

130

x

3.

A lesson finished at 10:10 am. If the duration of the lesson was 55 minutes, it

started at

(A) 9:15 am

(B) 9:45 am

(C) 9:00 am

(D) 8:45 am

(E) 8:30 am

4.

Which of these shapes has the smallest perimeter?

(A)

... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ...

(B)

... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ...

(C)

...... ... ... ... ... ... ... ... ...

(D)

... ... ... ... ... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ... ... ... ... ...

(E)

... ... ... ... ... ... ... ... ... ...

5.

1200

÷ 40 will have the same result as

(A) 600

÷ 80

(B) 2400

÷ 20

(C) 240

÷ 8

(D) 240

÷ 5

(E) 600

÷ 8

6.

The diagonals of the square P QRS intersect

at O. The shaded region has area 16. What

is the perimeter of the square?

(A) 4

(B) 8

(C) 16

(D) 32

(E) 64

... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ...... ...... ...... ...... ...... ...... ...... ...... ...... ...... ... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

P

Q

R

S

O

(3)

I 2

7.

1 +

1

3 +

1

2

equals

(A)

6

5

(B)

7

6

(C)

9

2

(D)

3

2

(E)

9

7

8.

A two-digit number has tens digit t and its units digit u. If the digit 8 is placed

between these digits, the value of the three-digit number is

(A) t + u + 8

(B) 10t + 80 + u

(C) 10t + u + 8

(D) 100t + 10u + 8

(E) 100t + 80 + u

9.

The average of 6 numbers is 4.5. A further 2 numbers are added and the average

is still 4.5. What is the sum of these two numbers?

(A) 27

(B) 9

(C) 36

(D) 4.5

(E) 8

10.

Different tyres were fitted to a car, increasing the circumference of the wheels from

200 cm to 225 cm. On a journey of 1800 km, the number of revolutions of each

wheel was reduced by

(A) 50 000

(B) 1000

(C) 2000

(D) 100 000

(E) 7 200 000

Questions 11 to 20, 4 marks each

11.

Seven consecutive integers are listed. The sum of the smallest three is 33. What

is the sum of the largest three?

(A) 39

(B) 37

(C) 42

(D) 48

(E) 45

12.

The grid is a 1 cm grid. The area of the triangle

P QR is

(A) 15 cm

2

(B) 10.5 cm

2

(C) 12 cm

2

(D) 13 cm

2

(E) 13.5 cm

2

...... ...... ...... ...... ...... ...... ...... ...... ...... ...... ...... ...... ...... ......... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

P

Q

R

(4)

13.

When it is 12 noon in Montreal it is 6 pm in Paris. The times of take-off and landing

of aircraft are given in local times. A plane leaving Montreal at 7 pm arrives in

Paris at 8 am. Assuming that the travel time is the same in both directions, what

time would a plane leaving Paris at 11 am arrive in Montreal?

(A) 12 noon

(B) 6 pm

(C) midnight

(D) 11 am

(E) 3 pm

14.

Two dice are thrown at random. The probability that the two numbers obtained

are the two digits of a perfect square is

(A)

1

9

(B)

2

9

(C)

7

36

(D)

1

4

(E)

1

3

15.

A rectangular sheet of cardboard is folded in half to form a smaller rectangle. The

smaller rectangle is similar to the original rectangle. What is the ratio of the length

to the width of the smaller rectangle?

... . ... ... . ... ... . ... ... . ... ... . ... ... . ... ... . ... ... . ... ... . ... ... . ... ... .

(A) 2 : 1

(B) 3 : 2

(C)

3 : 1

(D) (1 +

5) : 2

(E)

2 : 1

16.

An aeroplane takes 2

1

2

hours to fly from Melbourne to Newcastle. If it were to

increase its speed by 20%, how long would the trip take?

(A) 2 hours

(B) 2 hours 5 minutes

(C) 2 hours 10 minutes

(D) 2 hours 15 minutes

(E) 2 hours 20 minutes

17.

A square piece of paper has area 12 cm

2

. It

is coloured white on one side and shaded on

the other. One corner of the paper has been

folded over so that the sides of the triangle

formed are parallel to the sides of the square

as shown. The total visible area of the paper

is half shaded and half white. What is the

length, in centimetres, of the fold line U V ?

(A) 4

(B)

12

(C) 3

(D) 6

(E)

8

...... ...... ...... ...... ...... ...... ...... ...... ...... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... . .. .. . .. .. .. .. .. .. .. .. .. . .. .. .. . .. .. .. .. .. .. .. .. .. .. .. .. . .. .. .. .. . .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. . .. .. .. .. .. . .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. . .. .. .. .. .. .. . .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. . .. .. .. .. .. .. .. . .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. . .. .. .. .. .. .. .. .. . .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. . .. .. .. .. .. .. .. .. .. . .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. . .. .. .. .. .. .. .. .. .. .. . .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. . .. .. .. .. .. .. .. .. .. .. .. . .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. . .. .. .. .. .. .. .. .. .. .. .. .. . .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. . .. .. .. .. .. .. .. .. .. .. .. .. .. . .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. . .. .. .. .. .. .. .. .. .. .. .. .. .. .. . .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. . .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. . .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. . .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. . .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. . .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. . .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. . .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. . .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .

P

Q

R

S

S

U

V

(5)

I 4

18.

In the multiplication

P

Q

R

3

×

Q

Q

Q

each of P , Q and R represents a different digit. The sum of P , Q and R is

(A) 16

(B) 14

(C) 13

(D) 12

(E) 10

19.

A 12 cm tape measure is folded back once on itself and a single cut is made through

the folded tape, cutting it into 3 pieces.

12

0

1

2

3

4

5

6

7

8

9

10

11

12

11

10

... .. ... .. ... .. ... .. ... .. ... .. ... .. ... .. ... .. ... .. ... .. ... .. ... .. ... .. ... .. ... .. ... .. ... .. ... .. ... ..

f old

cut

f olded end

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

When the 3 resulting pieces are arranged from the shortest to the longest, the

lengths are in the ratio 1 : 2 : 3. The number of places where the cut could be

made is

(A) 0

(B) 1

(C) 2

(D) 4

(E) 6

20.

P QRS is a parallelogram and L is a

point on the side P Q such that P L = 1

and LQ = 2. M is the point of

inter-section of P R and LS.

The ratio P M : M R is equal to

(A) 1 : 3

(B) 1 : 4

(C) 1 : 2

(D) 2 : 5

(E) 2 : 7

... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...... ...... ...... ...... ...... ...... ...... ...... ...... ...... ...... ...

P

Q

R

S

M

L

1

2

Questions 21 to 30, 5 marks each

21.

A train leaves Canberra for Sydney at 12 noon, and another train leaves Sydney

for Canberra forty minutes later. Both trains follow the same route and travel at

the same uniform speed, taking 3

1

2

hours to complete the journey. At what time

will they pass?

(6)

22.

The number of 5-digit numbers in which every two neighbouring digits differ by 3

is

(A) 40

(B) 41

(C) 43

(D) 45

(E) 50

23.

The area of the shaded rectangle is

(A) between

1

4

and

5

16

(B) between

5

16

and

3

8

(C) between

3

8

and

7

16

(D) between

7

16

and

1

2

(E) more than

1

2

... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ...... ...... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ... ... ... . ... ...

1

2

1

2

1

... . . . . . . . . . . . ... ... ... ... ... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..

24.

A 3

× 3 square is divided into nine 1 × 1 unit squares. Different integers from 1

to 9 are written into these nine unit squares. Consider the pairs of numbers in the

squares sharing a common edge. What is the largest number of pairs where one

number is a factor of the other number?

(A) 7

(B) 8

(C) 9

(D) 10

(E) 12

25.

The polygon shown has a reflex angle at P .

In a polygon with n sides, what is the largest

possible number of reflex angles?

(A) 1

(B) 2

(C) n

− 3

(D) n

− 2

(E) n

− 1

... ... ...... ...... ...... ...... ...... ...... .......... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ... ... ... ... ... ......

P

(7)

I 6

For questions 26 to 30, shade the answer as an integer from 0 to 999 in

the space provided on the answer sheet.

26.

My name is Louis and my father has cooked me an L-shaped cake for my birthday.

He says that I must cut it into three pieces with a single cut, so that my brother

and sister can have a piece too. So, I have to cut it

like this

or this

but not like this.

10cm

10cm

10cm

20cm

30cm

...... ... ...... ...... ...... ...... ...... ...... ...... ...... ...... .... ... ... ... ... ...... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... .

He says that I have to be polite and let them have the first choice of the pieces,

but I just know they’ll be greedy and leave the smallest possible piece for me. So I

want to cut the cake so that my little piece will be as big as possible. If I do this,

how big, in square centimetres, will my piece be?

27.

A supermarket has seven checkout lanes. All seven checkouts accept cash payments

but only lanes 1 to 4 allow credit cards. Kath, Kim and Sharon are all shopping

and Kim insists on using her credit card while Kath and Sharon intend to pay

cash. In how many ways could they choose their checkout lanes? (More than one

could choose the same lane).

28.

Each point on the four sides of a 1 m

× 1 m square is coloured one of n colours so

that no two points that are exactly 1 m apart are coloured the same. What is the

smallest n for which such a colouring can be made?

29.

A regular octahedron has eight triangular faces

and all sides the same length. A portion of a

regular octahedron of volume 120 cm

3

consists

of that part of it which is closer to the top vertex

than to any other one. In the diagram, the

out-side part of this volume is shown shaded, and it

extends down to the centre of the octahedron.

What is the volume, in cubic centimetres, of

this unusually shaped portion?

... ... ... ... ... ... ... ... ... ... ... ...... ...... ...... ...... ...... ...... ... . .. . .. . . .. . .. . . .. . .. . .. . . .. . .. . .. . . .. . .. . . .. . .. . .. . . .. . .. . . .. . .. . .. . . .. . .. . . .. . .. . .. . . .. . .. . . .. . .. . .. . . .. . .. . . .. . .. . .. . . .. . .. . . .. . .. . .. . . .. . .. . . .. . .. . .. . . .. . .. . .. . . .. . .. . . .. . .. . .. . . .. . .. . . .. . .. . .. . . .. . .. . . .. . .. . .. . . .. . .. . . .. . .. .. . .. . .. . .. . . .. . .. . . .. . .. . .. . . .. . .. . . .. . .. . .. . . .. . .. . . .. . .. . .. . . .. . .. . . .. . .. . .. . . .. . .. . .. . . .. . .. . . .. . .. . .. . . .. . .. . . .. . .. . .. . . .. . .. . . .. . .. . .. . . .. . .. . . .. . .. . .. . . .. . .. . . .. . .. . .. . . .. . .. . . .. . .. . .. . . .. . .. . . .. . .. . .. . . .. . .. . .. . . .. . .. . . .. . .. . .. . . .. . .. . . .. . ...... ...... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ...... ...... ...... ...... ...... ... ...... ...... ... ... ......... ... ... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..

30.

A positive integer is equal to the sum of the squares of its four smallest positive

divisors. What is the largest prime that divides this positive integer?

參考文獻

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