五年级解方程练习题180题及答案

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五年级解方程180题有答案

(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

(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 (184) 41-3x=17