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將下列各式寫成指數: (1) 13×13 = ______ 。 (2) (- 2 ) × (- 2 ) × (- 2 )= ___ ____ 。 (3) - 7 × 7 × 7 × 7 × 7 =- 7

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(1)

答答 錯錯 答答 對對

將下列各式寫成指數:

(1) 13×13 = ______ 。

(2) (- 2 ) × (- 2 ) × (- 2 )= ___

____ 。

(3) - 7 × 7 × 7 × 7 × 7 =- 7

,□= ____

_ 。

(4) 10 × 10 × 10 × 10 = 10

,□= _____ 。 13

2

( - 2 )

3

5 4

配合課本第 65 頁隨堂練習

(2)

答答 錯錯 答答 對對

寫出下列各式的值:

(1) 5

3

= ______ 。 (2) ( - 2 )

3

= ______ 。

(3) ( - 3 )

2

= _____ 。 (4) - 2

4

= _____

_ 。

(1) 5

2

+ 12

0

(2) 10

2

- 2

5

計算下列各式的值:

125 - 8

9 - 16

= 5 × 5 + 1

= 25 + 1

= 26

= 10 ×10 - 2 × 2 × 2 × 2

× 2

= 100 - 32

= 68

配合課本例題 1

配合課本例題 1

(3)

答答 錯錯 答答 對對

(3) 2

3

×5

2

(4) 4

2

÷2

3

(5) (- 3 )

4

+(- 3

4

= ( 2 × 2 × 2 ) × ( 5 × 5 )

= 8 × 25

= 200

= ( 4 × 4 ) ÷ ( 2 × 2 × 2 )

= 16 ÷ 8

= 2

= ( - 3)×( - 3)×( - 3)×( - 3) + ( - 3 × 3

× 3 × 3 )

= 81 + ( - 81)

= 81 - 81

= 0

(4)

答答 錯錯 答答 對對

在下列空格中,填入適當的數:

(1) 5

6

× 5

5

= 5

,□= _____ 。

(2)( - 7)

12

÷( - 7)

4

= ( - 7)

,□= ___

__ 。

11

8

配合課本例題 3 、例題 4

(5)

答答 錯錯 答答 對對

計算下列各式的值,並填入空格中:

(1) 3

- 4

= ______ 。

(2) ( - 2 )

- 5

= ______ 。

(3) ( - 5 )

4

÷ ( - 5 )

11

= ( - 5 )

,□= _____ 。 (4) 0.0001 = ( 10 )

, □= ______ 。

(5) 〔 ( - 2 )

3

4

= ( - 2 )

, □= ______ 。 (6) ( 7 × 5 )

6

= 7

× 5

□ = ______ ,△= ______ 。

- 7

- 4

12

6 6

81 1

32 1

配合課本例題 5∼ 例題 8

(6)

答答 錯錯 答答 對對

計算下列各式的值:

(1) 2

2

× (- 3 )

3

× 5

2

= (2 × 2)× 〔 ( - 3)× ( - 3) × ( - 3) 〕 × (5 × 5)

= 4 × ( - 27 ) × 25

= ( - 27 ) × 4 × 25

= ( - 27 ) × 100

=- 2700

配合課本例題 9

(7)

答答 錯錯 答答 對對

(2) 36 -〔(- 2 )

3

× 7 + 62 ÷ 2 〕

= 36 -〔(- 8 ) × 7 + 3 1 〕

= 36 -〔- 56 + 31 〕

= 36 -(- 25 )

= 36 + 25

= 61

配合課本例題 9

計算下列各式的值:

(8)

答答 錯錯 答答 對對

在下列空格中,填入適當的數:

(1) ( 3

4

2

× 3

5

= 3

,□= ________ 。

(2) ( 2

5

÷ 2

2

) × 2

9

= 2

,□= _______

_ 。

(3) ( 2×3 )

5

÷ 2

3

÷ 3

2

= 2

×3

□ = ________ ,△= ________

(4) 9

3

÷ 3

5

= 3

,□= ________ 。 13

12

2 3

1

(9)

答答 錯錯 答答 對對

計算下列各式的值:

(1) 〔- ( - 4 )

2

+(- 8 )〕 ÷ 6 -(- 7 )

=〔- 16 + ( - 8 ) 〕 ÷ 6 - ( - 7 )

= ( - 24 ) ÷ 6 + 7

= ( - 4 ) + 7

= 3

(10)

答答 錯錯 答答 對對

(2) |(- 5 )

2

×2

2

- 4×7

2

|-(- 3

4

) ÷9

(3) 5

3

÷ ( 2

4

+ 3

2

)+( 2

3

2

÷ 4

=| 25 × 4 - 4 × 49 |+ 3

4

÷ 3

2

=|( 25 - 49 ) × 4 |+ 3

2

= 24 × 4 + 9 = 96 + 9 = 10 5 = 125÷ ( 16 + 9 )+ 2

6

÷ 2

2

= 125 ÷ 25 + 2

4

= 5 + 16 = 21

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