ACT 01

(1)

ACT 01

014~015

쪽

ACT 02

016~017

쪽

ACT 03

018~019

쪽

ACT + ⁰⁴

020~021

쪽

ACT 05

022~023

쪽

스피드 정답 스피드 정답은 각 문제의 정답만을 모아 놓아 채점하기에 유용합니다.

Chapter V ^{문자와 식}

28 1 x-y 29 a-b x 30 a+2b

2x-y 31^④ 18 -5/b

19 x/y 20 2a/3 21 a 22 -x 13 1/2(x+y)

14 -3(a-b) 15 a/3 16 -x/2 17 4/a

23 2x 24 -6a 25 x/2y 26 -a/5b 27 a+b

6 07 -t

08 xy 09 0.1ab 10 a^2 11 -x^2 12 3ay^3 01 5x

02 -3a 03 ab 04 axy 05 1/4&ax 06 -2ab

27 5a+x-y 5 28 -3(a+b)-a/b 29 x^3&-yz/x 30 -1/2&a^2&+b

a^2 31^④

11 ax/2 12 -7a/y 13 xz/y 14 4b

a^2 15 a+3b 16 b-5x

17 x-y/2 18 y+4/a 19 y/x+a 20 2a+3b 21 3a-b/2

22 a/3+4/b 23 a/b-x 24 2y/x-6c 25 -4a+x^2 26 x/3-a^3 06 #!x^3/@y^2 $

07 ax/by 08 ab/c 09 5/ab 10 x/ay 01 2a/b

02 xy/z 03 -3ax 04 -a/bc 05 a^2&b

3

18 (6000-4y)^원 19 (10000-1500k)^원 20 a/10

21 x/20g 22 b/5^개

23 y^,y/2 24 3p^쪽 25 20qkm 26^①, ③ 12 x+8

13 (a-3)^살 14 (14+y)^살 15 7000-x 16 (a-3000)^원 17 5000-600x 01 1^,2^,3^,4^,a

02 300x 03 500b^원 04 10y^원 05 7m^원 06 x/12

07 10000 b

^원

08 y/10^원 09 800x+700y 10 (3a+750b)^원 11 (500x+4y)^원

01^⑴10a+b ⑵ 10x+2 02 70+a 03 100m+n+50

04^⑴5^,x/20 / 21/20&x ⑵ (3000+30a)^원 05^⑴10^,x/10 / 9/10&x ⑵ (500-5y)^원

08^⑴a/3% ^⑵5000 b

%&

09^⑴2xg ^⑵11/030&yg&

10 (3a+5b)g 06^⑴60xkm

⑵ 시속 y/2km&

⑶ a/50^시간 07^㉠, ㉢

26 3/2^,2/3^,4 27 -3 28 11 29^③ 01 3 / 6^,1

02 15 03 -1 04 -1 05 13 06 1

07 15/2 08-4 /

-12^,-11 09 -16 10 28

17 -12 18 8 19 2/3^,-4/9 20 4/9 21 8/9

22 8 23 6^,1/3 24 -2/3 25 1/4 11 14

12 -1 13 35 14 -4 15 -2 / 4^,16 16 8

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(2)

02 _

기적의 중학 연산 1B

ACT 06

024~025

쪽

ACT + ⁰⁷

026~027

쪽

ACT 08

030~031

쪽

ACT 09

032~033

쪽

ACT 10

034~035

쪽

ACT 11

036~037

쪽

23 3/4^,-1/5 / 4/3^,-5 / 4^,-5^,-1

24 -2/3 25 13 26 33 27^⑤ 01 2^,-1^,9

02 -6 03 10 04 1 05 7 06 7

07 -4 08 -3^,4^,25 09 49 10 -3 11 -28 12 -1/2

13 3/2 14 5

15 -1/2^,2/3/ -1^,2^,-3 16 -3 17 4

18 3 19 -17/2 20 -5/3 21 -2/9 22 5

24 -3/2&x 25 6/7&y 26 -2/27&a 27 -2/5&x 28 3/2&y 01 3 / 3 / 6 / 6x

02 -8a 03 -45y 04 -48x 05 -14a 06 16y 07 12x

08 -5x 09 -5a 10 -2y 11 -2/15&a 12 4/7&y

13 -1/2 / -1/2 / -7 / -7a 14 a

15 5a 16 -3x 17 -5x 18 2x

19 -9y 20 -10y 21 2/3&a 22 -1/6&a 23 2/5&x

21 12x-6 22^② 01 2^,2 / 2^,6

02 4x-5 03 4x-3 04 -15x+9 05 -2x+3

06 4^,4 / 12^,8 07 5x-10 08 4x+6 09 4x-20 10 -15x+9

11 1/2 / 1/2^,1/2 / 3^,5 12 x-3

13 -x-8 14 -2x-2 15 2x+5

16 -2x+1 17 x-4 18 6x-18 19 3x+3/2 20 -12x-4

19 ^◯ 20^× 21^× 22^③ 01 4^,3

02 -3 / 4x^,-3 / -3 / 4 03 -10 / -10/ -10/ 0 04-x+2y+(-5) /

-x^,2y^,-5 / -5 / -1

05x^2&+(-3x)+(-4) / x^2^,-3x^,-4 / -4 / -3 06 ⑴ ◯ ⑵ × ⑶ ◯

07 ⑴ × ⑵ × ⑶ ◯ 08 1

09 2 10 2 11 0 12 3 13 1

14 2 15 1 16 ^◯ 17^× 18 ^◯ 01 4 / 4 / 4a

⑴ 8^⑵12^⑶20 02 x^,x / x^2 ⑴ 4^⑵9^⑶49

03 a^,b /2(a+b) ⑴ 10^⑵22 04 a^,b / ab ⑴ 20^⑵48

05 a^,h^,1/2&ah ⑴ 10^⑵30 06 a^,h^,ah ⑴ 15^⑵28

07 a^,b^,h^,1/2&(a+b)h ⑴ 10^⑵28 08 a^,b^,1/2&ab ⑴ 15^⑵20

01 -3x^,x/4 02 10y 03 5x^2^,-8x^2

04 5^와-9^,-3b^와1/2&b 05 3^,5

06 -2x

07 -4b 08 -3x 09 8y 10 4^,6 / 4 11 6x 12 b 13 6y

14 -4x 15 0 16 5/4&b 17 1/4&y

18 3^,4 / 3^,4 / 5^,1 19 3a-1

20 -2x-5y 21 -a+2b 22 4x+6y 23 5a-3b 24 7/3&x+3/4 25 3/5&a+1/3&b

기적의중학연산_1B_빠답-출력.indd 2 2018-12-05 오후 2:51:46

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(3)

ACT 12

038~039

쪽

ACT 13

040~041

쪽

ACT + ¹⁴

042~043

쪽

TEST 05

044~045

쪽

16 2/3&x+5/6 17 2/9&x-14/9 18 13/6

19 -1/15&x+28/15 20^④

01 7/12&x+7/10 02 3/4&x+11/3 03 2/3&x-5/6 04 -9/5&x+11/12 05 2x

06 1 07 4x+6 08 -4x-1 09 7/6&x+7/6 10 7/4&x-3/4

11 7/3&x-13/3 12 5/12&x+7/12 13 17/10&x-3/10 14 3/4&x+5/12 15 -1/12&x+11/12

17 1/6&x+11/6 18 2x-12 19 16x-15 20 -2x+2 01^④ 02^④

03 ^①, ④ 04^② 05 l=2(a+b)^` 06 S=ah 07 l=30^,S=48

08^①, ③

09 ⑴ ◯ ⑵ ◯ ⑶ ×

⑷ × ⑸ ◯ ⑹ × 10^①, ④

11 -16x

12 18y 13 4x-10 14 3x-2 15 ^⑤ 16 -x+2

10^③ 11 3x-5y 01^⑴3x-4

⑵ -5x+15

⑶ 8x-9 02^② 03 ^①

04^⑴5x+1^⑵x+3

⑶ 8x+3^⑷7 05 5x-19 06^⑤

07^⑴4^,5 ^⑵4x+2

⑶ 7x-5^⑷3x+3 08^④

094x-1 / 4x-1 / 4^,1 / 2x-4 01 x^,1 / -x^,5

02 3x+3 03 -2x+1 04 -3x+1 05 -11x+4 062^,2x / 2x^,2 /

2x^,2

13 5x+11 14 13x-16 15 19x-7 16 -16

173x^,6 / 3x^,6 / -x^,12 18 -x+20

19 x-8 20 -4x+3 21 9x+41 22^⑤ 07 6x-5

08 2x-4 09 -13x+12 10 12x+2

116x^,20 / 6x^,20 / 10x^,29

12 9x+12

ACT 15

050~051

쪽

ACT 16

052~053

쪽

01^× 02^× 03 ^◯ 04 ^◯ 05^× 06 ^◯

07 12-5=7 08 x+9=15 09 x-3=4x+2 10 700x=3500 11 8x=32 12 20x=60

13^방 14^항 15^항 16^방 17^항

18^× 19 ^◯ 20^× 21 ^◯ 22 ^◯

23 a=3^,b=2 24 a=4^,b=-2 25 a=5^,b=-2 26 a=-3^,b=-1 27 a=-7^,b=4 28^②

01 4 02 9 03 5 04 2 05 -3

06 7 07 ^◯ 08^× 09 ^◯ 10^×

11 ^◯

12 2/2^,2/7 13 x=6 14 x=-2 15 x=-11

16 x=6 17 x=-24 18 x=2 19 x=-5

21 x=4 22 x=25 23 x=-2 24^③

Chapter VI ^{일차방정식}

204/4^,4/ 9/3/ 3^,9/3/3

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(4)

04 _

기적의 중학 연산 1B

ACT 17

056~057

쪽

ACT 18

058~059

쪽

ACT 19

060~061

쪽

ACT 20

062~063

쪽

ACT 21

064~065

쪽

ACT 22

066~067

쪽

01 4 02 x=3-5 03 -3x=7-1 04 2x+x=9 05 4x-2x=-8 06 2x+3x=5-5 07 5/6

08 5x=2 09 5x=10 10 -7x=-1 11 1/2&x=2 12 -1/6&x=-13/6

13 ^◯/4/1 14 ^◯/-3x-3=0 15 ^◯/-2x+6=0 16^×/3x^2&+2x+4=0 17 ^◯/-5x+7=0 18^×/0=0 19 ^◯/4x-1=0

202^,3/a-2/2/ -2^,-1^,0^,1 21 1^,2^,4^,5 22 -2^,0^,1^,2 23 -4^,-3^,-2^,-1 24^④

01 2^,3 02 x=-3 03 x=2 04 x=-9 05 x=-8 06 x=9

07 3/8/8/4 08 x=-5/3 09 x=0 10 x=7 11 x=-5/4

12 x=-7/3 13 2x^,4/4 14 x=-1/2 15 x=1 16 x=-1

23 x=1/2 24 x=-1 25 x=2 26 x=-5/2 27^④ 17 x=3

18 x=2 19 x=-4/5 20 x=9 21 x^,3/4 22 x=2 01 6/6/1/1/3

02 x=1 03 x=-8/5 04 x=3 05 x=1/4

06 3/2x^,-3/-3 07 x=2

08 x=-2 09 x=1/3 10 x=3/2

11 x=-8 12 x=0 13 x=-5 14 x=2 15 x=-3/2

20 x=14 21 x=1 22 x=-1/2 23^④ 16 x=5/3

17 x=-3 18 x=-15/2 19 x=4/7

01 10/5^,2/-3/-1 02 x=-5

03 100/4^,16/20/10 04 x=8

05 x=-1 06 x=2

07 x=4 08 x=3 09 x=30 10 x=60 11 x=2

12 x=-1/3 13 x=7 14 x=-22 15 x=-3/5

20 x=1/4 21 x=1/3 22 x=-9 23^⑤ 16 x=43

17 x=7 18 x=-7 19 x=-3/2

01 5^,5/10 02 x=-3 03 x=-2 04 x=4/3

05 6/2^,9/7/7/3 06 x=23/6

07 x=2 08 x=-8/17 09 12/9^,6/ -2^,-1/1/2 10 x=-50 11 x=2

16 x=-5 17 x=18/7 18 x=-9/2 19^① 12 x=-5/3

13 x=2/5 14 x=-7/5 15 15/5x^,10/ -5^,-7/7/5

01 2^,2/6/7 02 x=-8 03 x=1/7 04 x=1/3

05 2^,2/2/1 06 x=-10 07 x=1 08 x=2/5

14 x=23/3 15 x=-1 16 x=-1/3 17 x=-1/7 09 10^,0/-14

10 x=13 11 x=-10 12 x=17 13 x=1

18 x=2 19 x=-9 20 x=3/17

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(5)

ACT 23

068~069

쪽

ACT + ²⁴

070~071

쪽

ACT 25

072~073

쪽

ACT + ²⁶

074~075

쪽

ACT + ²⁷

076~077

쪽

ACT + ²⁸

078~079

쪽

01 2/2/6/-6 02 x=4/13 03 x=5 04 x=-17

056/x^,6/ 2^,-24/-12 06 x=-4 07 x=-1 08 x=1

09 x=-1/5 10 x=1 11 x=3/5 12 x=2

13 x=3/7 14 x=9/19 15 x=1 16 x=-3

17 x=11 18 x=-5/2 19^②

01^⑴5x-3^,x-1/ 5x-3^,2/3^,1/1/3 ⑵ x=4^⑶x=1 ⑷ x=9^⑸x=-3/5

02^③ 03 -4 04^②

05^⑴2/2/1/-1 ⑵ -3

06^⑴-2/-6/6/2^⑵1/3 07 -5

08^⑴x=3^⑵-3 09^③

10 2 01 6+x

02 x+10=3x 03 2(6+x)=30 04 1/2(x+9)^×7=56 05 50x=150

06 7x+5=40 07 (x+9)+x=25 08 800^×5+500x=7000 09 4/-20

10 x-9=-13/-4 11 x+15=3x-7/11

12 2x-5=4x+9/-7 13 (x+10)div2=5x/10/9 14 39+x^,11+x/x^,x/3^년 15 32+x=2(14+x)/4^년 16 70+x=4(16+x)/2^년 01^⑴x-1^,x+1

⑵ (x-1)+x+(x+1)=15 ⑶ x=5^⑷4^,5^,6

02 x+(x+1)+(x+2)=24/7 03 (x-4)+(x-2)+x=30/12 04^⑴20+x/10x+2

⑵ 10x+2=(20+x)+45 ⑶ x=7^⑷27

05 40+x=(10x+4)-18/64

06^⑴(x+4)cm^⑵2{(x+4)+x}=40 ⑶ x=8 ^⑷8cm

07 2(8+x)=26/5cm 08 1/2\9\x=27/6cm 09 2{x+(x+3)}=34/7cm 10 1/2{x+(x+2)}\8=48/5cm 11 8(9+x)=96/3

01^⑴(10-x)^개 ^⑵900^,10-x ⑶ x=6 ^⑷6^,4 021000x+1400(10-x)=12000

사과 : 5^개, 배 :5^개 03 2x+3(13-x)=30/9^개 04 4(32-x)+2x=80/24^마리 05750x+950(10-x)=10000-1100

연필 : 3^{자루, 색연필 :}7^자루

06^⑴ ①4x+3^②5x-2 ^⑵4x+3=5x-2

⑶ x=5 ^⑷5/23 07 5x+8=6x-4/12^명

08 7x+5=8x-6/82^자루

096x+3=7x-2 상자 : 5^{개, 도넛 :}33^개

10 5x+4=7x-12/4^개

01 xkm/x/3^시간/2^,3/6km 02 x/6+x/4=100/60/4km 03 (3-x)km/3-x

4

^시간

3

^,

3-x

^,

50

/

1

km 04 2000-x

80 + x

200=16

/

1200

m

05^➊10^,500^➋8^,500+x/10^,500^,8^,500+x/125g 0613/000&\200=51/000&\(200-x)/80g

07^➊8^,200^➋ `15^➌10^,200+x

18/00&\200+11/050&\x=11/000&\(200+x)/80g 0811/000&\300+61/00&\x=81/00&\(300+x)/300g

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(6)

06 _

기적의 중학 연산 1B

Chapter VII ^{좌표평면과 그래프}

TEST 06

080~081

쪽

01^④ 02^②, ④ 03^④ 04^①, `⑤

05^④ 06^② 07 x=2 08 x=-2

09 x=5 10 &x=9/5 11 &^② 12 &24

13 -2 14 ^③ 15 17 16 6

17 11^포기 18 49^권 19 10km 20 &200g

ACT 29

086~087

쪽

ACT 30

088~089

쪽

ACT 31

090~091

쪽

01 -3^,0^,4 02 -4^,-3/2^,1 03 -7/2^,4/3^,5/2 04

-4-3 4

A -2 -1 0 1 2 3

C B

05

-4-3 4

F -2 -1 0 1 2 3

E D

06

-4-3 4

G -2 -1 0 1 2 3 I H

07 1^,1/2^,-3/-4^,2/-3^,-1 08 3^,-2/4^,3/-1^,-3/-3^,4 09 -2^,2/-4^,-4/3^,2/1^,-3

10

O 2

-2 -4 4

2 -2

-4 4

y

x D A

C B

11

O 2

-2 -4 4

2 -2

-4 4

y

x G

F E H

12

K I

O 2

-2 -4 4

2 -2

-4 4

y

x J

L

01 2^,4 02 3^,-1 03 -5^,6 04 -8^,-3 05 7^,-2 06 -9^,10 07 A(5^,3) 08 B(-2^,-6) 09 C(4^,-8) 10 D(-3^,1)

11 E(-7^,-9) 12 F(10^,-5) 13~16

O 2

-2 -4 4

2 -2

-4 4

y

Ax D C B

13 A(4^,0) 14 B(-3^,0)

19 G(0^,1) 20 H(0^,-3) 21 0/0^,-1 22 5

23 3/2 24 -2 25 0/0^,2 26 -6 27 -3 28 5 15 C(-1^,0)

16 D(2^,0) 17~20

O 2

-2 -4 4

2 -2

-4 4

y

x EG

HF

17 E(0^,2) 18 F(0^,-4) 01~06

O 2

-2 -4 4

2 -2

-4 4

y

x E A

D C

B F

01^제2^사분면

02 어느 사분면에도 속하지 않 는다.

20 +^,+^,1 21 -^,-^,3 22 +^,-^,4 23 +^,-^,4 24 +^,-^,4 25 -^,+^,2 26 +^,+^,1 27^제2^사분면 03^제4^사분면

04^제3^사분면 05^제1^사분면 06 어느 사분면에도

속하지 않는다.

07 B^,E 08 C^,F 09 D^,E 10 -^,4

11 -^,+^,2 12 -^,-^,3 13 +^,-^,4 14 +^,+^,1 15 -^,4 16 -^,-^,3 17 -+^,2 18 -^,-^,3 19 +^,+^,1

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(7)

ACT 32

092~093

쪽

ACT 33

094~095

쪽

ACT + ³⁴

096~097

쪽

ACT 35

100~101

^쪽

014^,8^,12^,16^,20 02(1^,4)^,(2^,8)^,(3^,12)^,

(4^,16)^,(5^,20) 03

O 4 8 12 16 20

2 4 6 y

x

04 10^,20^,30^,40^,50

05(1^,10)^,(2^,20)^,(3^,30)^, (4^,40)^,(5^,50)

06 y

O x 20 40 60

2 4 6

07^× 09^× 08 ^◯ 10 ^◯

11 50doC 12 20doC 13 40^분 14 30^분 15 60^분 16 120^분 17 150kcal 18 100kcal 19 50^분 01~03

O 2

-2 -4 4

2 -2

-4 4

y

x R P

S Q

01 Q(4^,-2) 02 R(-4^,2) 03 S(-4^,-2) 04~06

O 2

-2 -4 4

2 -2

-4 4

y

x

P R

S Q

04 Q(-2^,-3) 05 R(2^,3) 06 S(2^,-3) 07 Q(-1^,-5) 08 R(1^,5) 09 S(1^,-5) 10 Q(6^,4) 11 R(-6^,-4) 12 S(-6^,4) 13 Q(-3^,7) 14 R(3^,-7) 15 S(3^,7)

27

O 2

-2 -4 4

2 -2

-4 4

y

x B A C

28

O 2

-2 -4 4

2 -2

-4 4

y

x Q P

R

29 8 16 a=-4^,b=-2

17 a=5^,b=3 18 a=7^,b=1 19 a=7^,b=1 20 a=-2^,b=1 21 a=-5^,b=-4 22 a=1^,b=-3 23 a=-2^,b=4 24 a=-7^,b=3 25 B(3^,-2) 26 C(-3^,2)

01^⑴

O 2

-2 -4 4

2 -2

-4 4

y

x D

C A

B

⑵ 25

02

O 2

-2 -4 4

2 -2

-4 4

y

x D

C A

B

, 25

03^⑴

O 2

-2 -4 4 -2 2

-4 4

y

Cx A

B

⑵ 10

04

O 2

-2 -4 4

2 -2

-4 4

y

x A C

B , 15

05^⑴ ㉠

⑵ ㉣

⑶ ㉡

⑷ ㉢ 06^⑴ ㉢

⑵ ㉡ 07^⑤

01 4^,6/2 02 6^,12/3 03 -8^,-12/-4 04 1/3^,2/3/1/3

05 ^◯ 06^× 07 ^◯ 08 ^◯

13 y=500x 14 y=60x 15 y=25x 16 y=10x

22 y=1/3&x 23 y=1/2&x 24 y=2x 25 -3 17 y=2000x

18 y=5x 19 y=130x 20 8^,2^,4/4 21 y=-3x 09^×

10 ^◯ 11^× 12 y=6x

ACT 01

ACT 01

쪽

ACT 02

쪽

ACT 03

쪽

ACT + 04

쪽

ACT 05

쪽

스피드 정답 스피드 정답은 각 문제의 정답만을 모아 놓아 채점하기에 유용합니다.

Chapter V 문자와 식

원

http://zuaki.tistory.com

기적의 중학 연산 1B

ACT 06

쪽

ACT + 07

쪽

ACT 08

쪽

ACT 09

쪽

ACT 10

쪽

ACT 11

쪽

http://zuaki.tistory.com

http://zuaki.tistory.com

ACT 12

쪽

ACT 13

쪽

ACT + 14

쪽

TEST 05

쪽

ACT 15

쪽

ACT 16

쪽

Chapter VI 일차방정식

http://zuaki.tistory.com

기적의 중학 연산 1B

ACT 17

쪽

ACT 18

쪽

ACT 19

쪽

ACT 20

쪽

ACT 21

쪽

ACT 22

쪽

http://zuaki.tistory.com

http://zuaki.tistory.com

ACT 23

쪽

ACT + 24

쪽

ACT 25

쪽

ACT + 26

쪽

ACT + 27

쪽

ACT + 28

쪽

시간

,

,

http://zuaki.tistory.com

기적의 중학 연산 1B

Chapter VII 좌표평면과 그래프

TEST 06

쪽

ACT 29

ACT + ⁰⁴

Chapter V ^{문자와 식}

^원

ACT + ⁰⁷

ACT + ¹⁴

Chapter VI ^{일차방정식}

ACT + ²⁴

ACT + ²⁶

ACT + ²⁷

ACT + ²⁸

^시간

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Chapter VII ^{좌표평면과 그래프}

ACT + ³⁴

^쪽