小学数学解方程100道练习题(新)

(1)

4x-20=16(2)

3.2x-68=149.6

5x+20=95(4)

24x+8x=2176

(5)

5(1.2+x)=20.8(6)

2(x+2.6)=13.6

(7)

(x-12):3=7.9(8)

8(x-12)=96

(9)

3.2x+15.2x=22.08(10)

5x+29=159

(11)

4x=x+369(12)

8x+12=60

(13)

x+7.6=19.2(14)

4x-2x=8.98

(15)

85-5x=20(16)

8.5x-1.5x=87.5

(17)

9.8+3x=65(18)X-2.5=7.25

(19)3x-11.4=9.9(20)

5.8X-5.5X=81

(21)

45+2x=27(22)

5X+2.8=10.3

(23)

5x+17.2=30.8(24)

12.5=8.9+x

(25)

56x-23x=39.6(26)

5X+1.5=3x+9.9

(27)

1.2x-1.2=36(28)2x-25=79

(29)

3x-99=12(30)7x+1.4=4.9

(31)

6x+3.6=5.4(32)

36x-68.4=0

(33)

44x-44=44(34)5x+98=109

(35)

65x-25x=100(36)2x-33=100

(37)

5x+16=99(38)5x-45=12.8

14+2x=78(40)

7x-4X-21=21

(41)

86-12-x=18(42)

5x-1.5=31

(43)

5x+2.9=20.5(44)

3x=9.8-0.8

(45)

27+3x=96(46)

5x-45=36

(47)

3x+2x=29(48)

5x+24=98.3

(49)

2x+24=87(50)

105-2x=59

(51)

45-5x=9.9(52)

x+16+12=85

(53)

3X-3.9=11.1(54)

82-52-4x=10

(55)

5.5X+34.5=7x(56)

4x:3=7.4

(57)

2.8X+350.4=32x(58)66x+3.6x=187.2

(59)

1.5X+12.5=4x(60)

46x-32x=196

(61)91.7-X=1.4(62)

3x+42:3=26

(63)

33.6:X=0.3(64)

14+4x=76

(65)

X-0.5=5.7(66)

111-5x=70

(67)

110-5x=38(68)

5x+45=250

(69)

7(x-12)=84(70)

x-55.7=79.4

(71)

78+2x=26(72)

x:0.8=45

(73)

(x-16)-45=52(74)

3x-89=1

(75)

x:10+25=21(76)

3x+8.1=36

(77)

(200-x):10=20(78)

2.3+5x=9.4

(79)

87.3-x=12.6(80)

3x:1.5=4.5

(81)

56-3x=2(82)

4X-0.8X=73.6

(83)6.5x=422.5(84)0.1(x+6)=3.6

15.7-x=7.8(86)

(35.5-7.5):x=2

117:x=2.6(88)

3x-25=68

5x+42.5=12.3(90)2(x+6)=102

（91）108-89+5x=4.1(92)3x+7x+20=90

5.5+x+9.19=64(94)

5(x+4.5)=50

(95)

5x+56=3.5