五年级上册数学解方程、小数计算练习题

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(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

(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=

9