五年级解方程练习及答案

五年级解方程题有答案(12 ) X+8.3=10.7

(1) (0.5+x)+x=9.8 十2 (13) 15x = 3

(2) 2(X+X+0.5)=9.8 (14) 3x - 8 = 16

(3) 25000+x=6x (15) 3x+9=27

(4) 3200=440+5X+X (16) 18(x-2)=270

(5) X-0.8X=6 (17) 12x=300-4x

(6)12x-8x=4.8 (18) 7x+5.3=7.4

(7) 7.5+2X=15 (19) 3x 十5=4.8

(8)1.2x=81.6 (25) 0.5x+8=43 (7) x+5.6=9.4 (26) 6x-3x=18

(10)x-0.7x=3.6 (27) 7(6.5+x)=87.5

(11)91 十x = 1.3 (28 ) 0.273 -x=0.35

(29) 1.8x=0.972

(42 ) 5.6x=33.6

(30) x 十0.756=90

(43 ) 9.8-x=3.8 (31) 0.1(x+6)=3.3 X0.4

(44 ) 75.6 *x=12.6 (32) (27.5-3.5)十x=4

(45 ) 5x+12.5=32.3 (33) 9x-40=5

(46 ) 5(x+8)=102 (34) x *5+9=21

(47 ) x+3x+10=70 (35) 48-27+5x=31

(48 ) 3(x+3)=50-x+3 (36) 10.5+x+21=56

(49 ) 5x+15=60

(37

x+2x+18=78

)

(50 ) 3.5-5x=2

(38) (200-x) -5=30

(51 ) 0.3 X7+4x=12.5

(39) (x-140) *70=4

(40

20-9x=2 (52 ) x *1.5-1.25=0.75 )

(41) x+19.8=25.8 (53 ) 4x-1.3 X6=2.6

(66 ) 13(x+5)=169 (54 ) 6x+12.8=15.8

(67 ) 2x-97=34.2 (55 ) 150 X2+3x=690

(68 ) 3.4x-48=26.8 (56 ) 2x-20=4

(69 ) 42x+25x=134 (57 ) 3x+6=18

(70 ) 1.5(x+1.6)=3.6 (58 ) 2(2.8+x)=10.4

(71 ) 2(x-3)=5.8 (59 ) (x-3)十2=7.5

(72) 65x+7=137

(60 ) 13.2x+9x=33.3

(73) 9x+4 X2.5 = 91 (61 ) 3x=x+100

(74) 4.2 x+2.5x = 134

(62 ) x+4.8=7.2 (75) 10.5x+6.5x=51

(63 ) 6x+18=48

(76) 89x-43x=9.2

(64 ) 3(x+2.1)=10.5

(77) 5x-45=100

(65 ) 12x-9x=8.7

(78) 1.2x-0.5x=6.3

(91) x +

14x=75 (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 X2= 4.2+x

(86) 26 X1.5= 2x+10

(87) 0.5 X16 —6 X0.2=4x

(88) 13 9.25 —X=0.403

(89) 18.9 ^X=0. 3 (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

(90) 23x=14x + 27 (102 ) 8x-8=6x

(103) 4 x=20

5 (115) 1.2x-8=4

(104) 2x-6=12 (116) 3x-8=31 (105 ) 7x+7=14 (117) 6x+6=12 (106 ) 6x-6=0 (118) 3x-3=3 (107 ) 5x+6=11 (119) 5x-3x=4 (108 ) 2x-8=10 (120) 2x+16=19

(109 ) 2.5x-8=4 (121) 5x+8=19

(122) 14-6x=8

(110 ) x- 3 =7

4

(123) 15+6x=27 (111)3x+7=28

(124) 5-8x=4 (112) 3x-7=26

(125) 7x+8=15 (113) 9x-x=16

(126) 9-2x=1 (114) 24x+x=50

(127) 4+5x=9

(140) 6x-

3=6 (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 (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 X2= 4

x

(151) 26 X1.5= 2x