五(上)数学解方程、小数计算练习
(1)(0.5 x) x=9.8÷2
(2)2(X X 0.5)=9.8
(3)25000 x=6x
(4)3200=440 5X X
(5)X-0.8X=6
(6)12x-8x=4.8
(7) 7.5 2X=15
(8)1.2x=81.6
(7)x 5.6=9.4
(10)x-0.7x=3.6
(11)91÷x=1.3
(12) X 8.3=10.7
(13) 15x=3
(14) 3x-8=16
(15) 3x 9=27
(16) 18(x-2)=270
(17) 12x=300-4x
(18) 7x 5.3=7.4
(19) 3x÷5=4.8
(25) 0.5x 8=43
(26) 6x-3x=18
(27) 7(6.5 x)=87.5
(28) 0.273÷x=0.35
(29) 1.8x=0.972
(30) x÷0.756=90
(31) 0.1(x 6)=3.3×0.4
(32) (27.5-3.5)÷x=4
(33) 9x-40=5
(34) x÷5 9=21
(35) 48-27 5x=31
(36) 10.5 x 21=56
(37) x 2x 18=78
(38) (200-x)÷5=30
(39) (x-140)÷70=4
(40) 20-9x=2
(41) x 19.8=25.8
(42) 5.6x=33.6
(43) 9.8-x=3.8
(44) 75.6÷x=12.6
(45) 5x 12.5=32.3
(46) 5(x 8)=102
(47) x 3x 10=70
(48) 3(x 3)=50-x 3
(49) 5x 15=60
(50) 3.5-5x=2
(51) 0.3×7 4x=12.5
(52) x÷1.5-1.25=0.75
(53) 4x-1.3×6=2.6
(54) 6x 12.8=15.8
(55) 150×2 3x=690
(56) 2x-20=4
(57) 3x 6=18
(58) 2(2.8 x)=10.4
(59) (x-3)÷2=7.5
(60) 13.2x 9x=33.3
(61) 3x=x 100
(62) x 4.8=7.2
(63) 6x 18=48
(64)3(x 2.1)=10.5
(65)12x-9x=8.7
(66)13(x 5)=169
(67) 2x-97=34.2
(68)3.4x-48=26.8
(69)42x 25x=134
(70)1.5(x 1.6)=3.6
(71)2(x-3)=5.8
(72)65x 7=137
(73) 9x 4×2.5=91
(74) 4.2 x 2.5x=134
(75) 10.5x 6.5x=51
(76) 89x-43x=9.2
(77) 5x-45=100
(78) 1.2x-0.5x=6.3
(79) 23.4=2x
(80) 4x-x=48.6
(81) 4.5x-x=28
(82)X-5.7=2.15
(83)5X-2X=18
(84)3X 0.7=7
(85) 3.5×2= 4.2 x
(86) 26×1.5= 2x 10
(87) 0.5×16―16×0.2=4x
(88) 13 9.25-X=0.403
(89) 18.9÷X=0. 3
(90) 23x=14x+27
(91) x+14x=75
(92)95-5x=80
(93)1.8 6x=54
(94) 6.7x-60.3=6.7
(95) 9+4x=53
(96) 2x 8=16
(97) 20x-14x=24
(98) x 7x=8
(99) 9x-3x=6
(100) 6x-8=4
(101) 5x x=9
(102) 8x-8=6x
(103)
x=20
(104) 2x-6=12
(105) 7x 7=14
(106) 6x-6=0
(107) 5x 6=11
(108) 2x-8=10
(109) 2.5x-8=4
(110) x-
=7
(111)3x 7=28
(112) 3x-7=26
(113) 9x-x=16
(114) 24x x=50
(115) 1.2x-8=4
(116) 3x-8=31
(117) 6x 6=12
(118) 3x-3=3
(119) 5x-3x=4
(120) 2x 16=19
(121) 5x 8=19
(122) 14-6x=8
(123) 15 6x=27
(124) 5-8x=4
(125) 7x 8=15
(126) 9-2x=1
(127) 4 5x=9
(128) 10-x=8
(129) 8x 9=17
(130) 9 6x=15
(131) x 9x=4 7
(132) 2x 9=17
(133) 8-4x=6
(134) 6x-7=28
(135) 7x-9=20
(136) x-56=1
(137) 8-7x=1
(138)x-30=12
(139) 6x-21=21
(140) 6x-3=6
(141) 9x=18
(142) 4x-18=14
(143) 5x 9=11
(144) 17-2x=11
(145) x 4 8=23
(146) 7x-12=9
(147) X-5.7=2.15
(148) 5X-2X=18
(149) 3X 0.5=5
(150) 3.5×2= 4 x
(151) 26×1.5= 2x
(152) 0.5×16―16×0.1=4x
(153) 9.26-X=0.402
(154) 36.9÷X=0.3
(155) X÷0.5=2.6
(156) 93-5x=80
(157) 180-6x=54
(158) 9+4x=40
(159) 0.2x-0.4+0.5=3.7
(160) 9.4x-0.4x=16.2
(161) 92-4x=20
(162) 7x÷6=1.4
(163) 16x+34x=1
(164) 18x-14x=12
(165) 3 x-42÷14=15
(166) 12+4x=56
(167) 22-14x=12
(168) X 8.3=10.7
(169) 5x =30
(170) x-5.6=9.4
(171) x÷0.8=90
(172) 3x-8=16
(173) 3x 9=27
(174) 5.3 7x=7.4
(175) 3x÷5=4.8
(176) X-0.8X=6
(177) 12x 8x=4.8
(178) 7(x-2)=49
(179) 4×8 2x=36
(180) (x-2)÷3=7
(181) x÷5 9=21
(182)(300-x)÷5=30
(183) 91÷x =1.3
小数计算练习题
7.658×85= 0.18×15= 0.025×14= 3.06×36= 3.7×0.016=
53×2.07= 36.02×0.3= 56.78×8= 1.55÷3.9= 16.9÷0.13=
0.04×0.12= 3.84×2.6= 1.89÷0.54= 7.1÷0.25= 22.78÷3.4
7×0.62= 12.25÷0.5= 73.5×0.1= 1.64÷41 1.55÷3.9=
7.564×0.89= 0.15×2.34= 0.48×350= 7.94×0.98= 56.2×4.98=
36.9×21.3= 1.96×8.5 80.4×0.35= 6.25×1.04= 0.056×0.15 =
12.5×4.8= 4.2÷28= 5.76×1.3= 7.15×22= 15.6×13=
3.68×0.25= 3.7×0.016= 0.45×102= 2.05÷0.82=
6.509÷0.27= 28.448÷14= 32×6.07= 28.448÷14= 0.58×250=
4.4×0.8-3.4×0.8 = 6-1.6÷4= 3.2×(1.5 2.5)÷1.6=
6.5×(4.8-1.2×4) 5.38 7.85-5.37= 56-1.19×3-0.43=
0.82×40×2.= (0.8+8)×0.125= 1.25×5×0.16=
4.2×99 4.2 = 0.235×0.15×16 = 35÷(0.35×2)=
0.52×0.4×0.05= 0.92×2.4-0.42×2.4= (1.25 0.25)×4=
2.95×101-2.95= 4.6×0.35 4.6×0.65= 23.4-0.8-13.4-7.2=
63×10.1-63×0.1= 3.14×1.9 31.4×0.81= 7.3×10.2-1.46=
12.96-(9.6-1.52)= 3.6 ×3.6 1.4 ×3.6= 2.7×1.5-2.7=
0.25×0.8×0.125×0.4 = 0.4×12.5×(4.2-1.7) = 45÷0.09÷0.5=
56.5×99 56.5= (1.25-0.125)×8 17.8÷(1.78×4) =
1.5÷(6.07 2.53)×0.5= 4.05÷1.5÷0.03 = 1.92÷0.12-2.7=
4.6+32.55÷9.3= 0.84÷(0.3+0.4)= 0.84×1.7÷0.07=
3.9÷1.3÷5= 20.9 10.5÷(5.2-3.5)= (6 10.88÷3.2)×1.5=
18.9-18.9÷1.4= 15.4÷[8×(6.34-4.59)]= 3.2×5.6-11.4=
9.4-1.2÷0.6+6.24= 3.76×0.25-0.49= 35.6-5×1.7=
73.8-1.64-13.8-5.36= 66.86-8.66-1.34= 0.25×16.2×4=
3.72×3.5+6.28×3.5= 36.8-3.9-6.1 2= 5.48-(9.4-0.52)=