小學(xué)數(shù)學(xué)解方程100道練習(xí)題

/(1)

4x-20=4(2)

3.2x-42=26.8

5x+6=18(4)

40x+5x=124

(5)

5(2.2+x)=10.8(6)

2(x+1.8)=3.6

(7)

(x-8):2=8.8(8)

7(x-5)=49.7(9)

13.8x+11.2x=50.5(10)

6x+29=137

(11)

4x=x+99(12)

9x+10=91

(13)

x+7.1=7.2(14)

4x-x=89.8(15)

99-10x=70(16)

9.5x-5x=28

(17)

11.8+2x=65(18)X-7.7=9.15

(19)9.9x-99=9.9(20)

58X-55X=81(21)

49+4x=53(22)

5X+2.9=9.3(23)

5x+15=39.6(24)

7.5=6.9+x

(25)

59x-39x=240(26)

4X+3.5=2x+99(27)

1.2x-5=37(28)2x-55=89(29)

3x-100=35(30)7x+14=49(31)

6x+36=54(32)

36x-72=0

(33)

55x-55=55(34)5x+76=19(35)

45x-35x=100(36)3x-89=100(37)

5x+39=109(38)5x-49=7.3

8+2x=98(40)

6x-3X-21=21

(41)

56-5-x=8(42)

6x-5=41(43)

5x+79=17.5(44)

9x=98-8(45)

81+3x=99(46)

5x-55=17(47)

5x+9x=28(48)

5x+88=98(49)

2x+54=93(50)

75-2x=53(51)

56-5x=99(52)

x+16+8=48(53)

3X-5.9=15.1(54)

92-59-4x=20

(55)

7.5X+15=8x(56)

8x:3=1.4

(57)

26X+1.5=2x(58)

16x+5x=210(59)

0.5X+54=4x(60)

56x-51x=85(61)9.2-X=0.4(62)

3x+42:14=15

(63)

12.6:X=0.3(64)

24+4x=56(65)

X-0.8=15.7(66)

101-5x=80

(67)

120-5x=58(68)

5x+5=30

(69)

7(x-6)=49(70)

x-42.9=45.4

(71)

48+2x=76(72)

x:1.8=90

(73)

(x-6)-56=19(74)

3x-56=1(75)

x:10+9=21(76)

3x+81=36(77)

(300-x):10=30(78)

5.3+7x=7.4

(79)

81.3-x=2.6(80)

3x:5=4.5(81)

68-3x=2(82)

5X-0.8X=42(83)5.6x=33.6(84)0.1(x+6)=3.3X0.4

17.8-x=9.8(86)

(25.5-5.5):x=2

75.6:x=12.6(88)

9x-49=595x+12.5=32.3(90)2(x+9)=132

98-89+5x=51(92)x+9x+20=90

9.5+x+5.9=64(94)

6(x+45)=50(95)

5x+5.6=1.5(96)

10x=88-21(97)

85+3x=91(98)

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