1-2.3 數線上兩點間的距離

(1)

(2)

(3)

볆뵵ꑗ꣢쉉뙚싷-왛꧀

뻣볆ꪺꕛ듮 39

NOTE:

Q. 볆뵵ꑗ꣢쉉꒧뚡ꪺ뙚싷ꚳ귾 ꣢뫘군뫢ꓨꚡ?

NOTE:

Q1. |a – (- 5)| = 8 Ꙣ볆뵵ꑗꫭꗜ ꒰믲띎ꯤ? Q2. ꙰ꩇ꒣굮ꗎ볆뵵ꑗ꣢쉉ꪺ 뙚싷꣓곝ꅁꝁ걏ꝟ라ꡄꕘ 몡ꢬ |a – (-5)| = 8 ꪺ a 귈 ꥏ? #1 #2 #3

(4)

볆뵵ꑗ꣢쉉뙚싷-왛꧀

뻣볆ꪺꕛ듮

NOTE:

Q. AB ꪺ꒤쉉Ꙣ볆뵵ꑗ꧒ꕎꫭ ꪺ띎ꯤ걏꒰믲?

NOTE:

#4 #5

(5)

볆뵵ꑗ꣢쉉뙚싷 - ꣒썄 (뙩뚥)

뻣볆ꪺꕛ듮 41

NOTE:

Q. ꕈ A 결띳귬쉉ꅁꢺ믲믝굮 ꒰믲뇸ꗳꑾ꿠볐ꗜꕘ B 쉉 ꪺ띳Ꞥ볐ꥏ?

NOTE:

Q1. 결꒰믲 |B – (-25)| = 7ꅁꭨ B + 25 라떥꧳ ±7? Q2. B+25 = ±7 걏꒰믲띎ꯤ?

NOTE:

Q1. |a – 5| Ꙣ볆뵵ꑗꕎꫭ꒰믲 띎롱? Q2. |a – 5| = |b – 6| = |c – 7| Ꙣ볆뵵ꑗ걏꒰믲띎ꯤ? #6 #7 #8

(6)

볆뵵ꑗ꣢쉉뙚싷 - ꣒썄 (뙩뚥)

뻣볆ꪺꕛ듮

NOTE:

Q1. ꣢쉉Ꙑ껉Ꙗꕫ늾냊꣌볋꫸ ꪺ뙚싷ꅁꢺ믲늾냊ꭥꥍ늾 냊ꯡ꣢쉉뙚싷걏ꝟ꟯엜? Q2. 곛꓏볆Ꙣ볆뵵ꑗꪺ꒤쉉결 ꛳?

NOTE:

Q. 떥꓀걏꒰믲띎ꯤ?

NOTE:

Q1. 떴맯귈꒺걏굴볆ꅁ싷뙽떴 맯귈굮ꕛꑗ꒰믲닅뢹? Q2. |a – 5| Ꙣ볆뵵ꑗꕎꫭ꒰믲 띎롱? #9 #10 #11

(7)

볆뵵ꑗ꣢쉉뙚싷 - ꣒썄 (뙩뚥)

뻣볆ꪺꕛ듮 43

NOTE:

Q. AB ꪺ꒤쉉Ꙣ볆뵵ꑗ꧒ꕎꫭ ꪺ띎ꯤ걏꒰믲? #12

(8)

뻇ꗍ뵭닟룑떪

負數與數線

#2ꅇ

CD

=

18,

CE

=

16 #3ꅇ10 ꧎ –4

#4ꅇ11

#6ꅇ

A( 40)

−

ꅂ

B( 27)

−

#7ꅇ(1) 11 (2) 15

#8ꅇx < y < z

#

9ꅇ16

#

10ꅇ(1)

AP 15

=

ꅆ

BP 21

=

(2)

−

10 #

11ꅇ9

#

12ꅇ

A

₆

1-2.3 數線上兩點間的距離

볆뵵ꑗ꣢쉉뙚싷-왛꧀

NOTE:

NOTE:

NOTE:

볆뵵ꑗ꣢쉉뙚싷-왛꧀

NOTE:

NOTE:

볆뵵ꑗ꣢쉉뙚싷 - ꣒썄 (뙩뚥)

NOTE:

NOTE:

NOTE:

볆뵵ꑗ꣢쉉뙚싷 - ꣒썄 (뙩뚥)

NOTE:

NOTE:

NOTE:

볆뵵ꑗ꣢쉉뙚싷 - ꣒썄 (뙩뚥)

NOTE:

뻇ꗍ뵭닟룑떪

#2ꅇ

CD

=

18,

CE

=

16

#3ꅇ10 ꧎ –4

#4ꅇ11

#6ꅇ

A( 40)

−

ꅂ

B( 27)

−

#7ꅇ(1) 11 (2) 15

#8ꅇx < y < z

#

9ꅇ16

#

10ꅇ(1)

AP 15

=

ꅆ

BP 21

=

(2)

−

10

#

11ꅇ9

#

12ꅇ

A

ꅆ

–12ꅆ–17.5