小学数学解方程100道练习题
只加一笔-珍惜时间的名人名言
(1) 4x-20=4 (2) 3.2x-42=26.8
(3) 5x+6=18 (4)
40x+5x=124
(5) 5(2.2+x)=10.8
(6)
(7) (x-8):2=8.8 (8)
(9) 13.8x+11.2x=50.5 (10)
(11) 4x=x+99 (12)
(13) x+7.1=7.2 (14)
(15) 99-10x=70 (16)
(17)
11.8+2x=65 (18) X-7.7=9.15
2(x+1.8)=3.6
7(x-5)=49.7
6x+29=137
9x+10=91
4x-x=89.8
9.5x-5x=28
(19) 9.9x-99=9.9
(20) 58X-55X=81
(21) 49+4x=53
(22)
(23) 5x+15=39.6 (24)
(25) 59x-39x=240 (26)
(27) 1.2x-5=37 (28)
2x-55=89
(29) 3x-100=35 (30)
7x+14=49
(31) 6x+36=54
(32)
(33) 55x-55=55
(34) 5x+76=19
5X+2.9=9.3
7.5=6.9+x
4X+3.5=2x+99
36x-72=0
(35)
45x-35x=100 (36) 3x-89=100
(37) 5x+39=109 (38) 5x-49=7.3
(39) 8+2x=98 (40)
(41) 56-5-x=8 (42)
(43) 5x+79=17.5 (44)
(45) 81+3x=99 (46)
(47) 5x+9x=28 (48)
(49)
2x+54=93 (50)
6x-3X-21=21
6x-5=41
9x=98-8
5x-55=17
5x+88=98
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)
(57) 26X+1.5=2x
(58)
(59) 0.5X+54=4x
(60)
(61) 9.2-X=0.4
(62)
(63) 12.6:X=0.3
(64)
(65) X-0.8=15.7
(66)
8x:3=1.4
16x+5x=210
56x-51x=85
3x+42:14=15
24+4x=56
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)
(73) (x-6)-56=19
(74)
(75) x:10+9=21
(76)
(77) (300-x):10=30
(78)
(79) 81.3-x=2.6
(80)
(81) 68-3x=2
(82)
x:1.8=90
3x-56=1
3x+81=36
5.3+7x=7.4
3x:5=4.5
5X-0.8X=42
(83)5.6x=33.6
(84)0.1(x+6)=3.3X0.4
(85)
17.8-x=9.8 (86) (25.5-5.5):x=2
(86) 75.6:x=12.6 (88)
(89) 5x+12.5=32.3 (90)
2(x+9)=132
(90) 98-89+5x=51
(92) x+9x+20=90
(93) 9.5+x+5.9=64
(94)
(95) 5x+5.6=1.5
(96)
(97) 85+3x=91
(98)
9x-49=59
6(x+45)=50
10x=88-21
2x-86=36
(99)
2x+10x=48 (100) 2x+16=38