五年级下册解方程专项练习题三
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五年级下册解方程专项练习题题(三)
(1)0.5+2X=9.8÷2
(2)2(2X+0.5)=9.8
(3)2500+x=6x
(4)350=50+5X+X
(5)X-0.8X=6
(6)12x-8x=4.8
(7) 7.5+2X=15
(8)1.2x=81.6
(9)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
(20) 0.5x+8=43
(21) 6x-3x=18
(22) 7(6.5+x)=87.5
9 1
(23) 0.273÷x=0.35
(24) 1.8x=0.972
(25)
x÷0.75=90
(35) 20-9x=2
(36)
x+19.8=25.8
(37) 5.6x=33.6
(26) 0.1(x+6)=3.3×0.4
(27) (27.5-3.5)÷x=4
(28) 9x-40=5
(29) x÷5+9=21
(30) 48-27+5x=31
(31) 10.5+21+X=56
(32)
x+2x+18=78
(33) (200-x)÷5=30
(34) (x-140)÷70=4
(38)
(39)
(40)
(41)
(42)
(43)
(44)
(45)
(46)
2 9
÷x=12.6
5
0
X+3)=50+3-X
×7+4x=12.5
9.8-x=3.8
75.6
5x+12.5=32.
5(x+8)=10
x+3x+10=70
3(
5x+15=60
3.5-5x=2
0.3
(47) x÷1.5-1.25=0.75
(48) 4x-1.3×6=2.6
(49)
6x+12.8=15.8
(50) 150×2+3X=690
(51) 2x-20=4
(52) 3x+6=18
(53) 2(2.8+x)=10.4
(54) (x-3)÷2=7.5
(55) 13.2x+9x=33.3
(56)
3x=x+100
(57) x+4.8=7.2
(58) 6x+18=48
(59)3(x+2.1)=10.5
(60)12x-9x=8.7
(61)13(x+5)=169
(62)
2x-97=34.2
(63)3.4x-48=26.8
(64)42x+25x=134
(65)1.5(x+1.6)=3.6
(66)2(x-3)=5.8
(67)65x+7=137
(68) 9x+4×2.5=91
(69) 4.2 x+2.5x=134
(70)
10.5x+6.5x=51
3 9
(71) 89x-43x=9.2
(72)5x-45=100
(73) 1.2x-0.5x=6.3
(74) 23.4=2x
(75) 4x-x=48.6
(76) 4.5x-x=35
(77)X-5.7=2.15
(78)5X-2X=18
(79)3X+0.7=7
(80) 3.5×2= 4.2+x
(81) 26×1.5= 2x+10
(82)
0.5×16―16×0.2=4x
(83)
13 9.25-X=0.403
(84)
18.9÷X=0. 3
(85) 23x=14x+27
(86) x+14x=75
(87)95-5x=80
(88)1.8 +6x=54
(89) 6.7x-60.3=6.7
(90) 9+4x=53
(91) 2x+8=16
(92) 20x-14x=24
(93) x+7x=8
4 9
(94) 9x-3x=6
(95) 6x-8=4
(96) 5x+x=9
(97) 8x-8=6x
(98) 5x-5=20
(99) 2x-6=12
(100)
7x+7=14
(101) 6x-6=0
(102) 5x+6=11
(103)
2x-8=10
(104) 2.5x-8=4
(105)4 x-1=7
(106)3x+7=28
(107) 3x-7=26
(108) 9x-x=16
(109) 24x+x=50
(110) 1.2x-8=4
(111)
3x-8=31
(112) 6x+6=12
(113) 3x-3=3
(114) 5x-3x=4
(115) 2x+16=19
(116) 5x+8=19
5 9
(117) 14-6x=8
(118) 15+6x=27
(119) 5-8x=4
(120) 7x+8=15
(121) 9-2x=1
(122) 4+5x=9
(123) 10-x=8
(124) 8x+9=17
(125) 9+6x=15
(126) x+9x=4+7
(127)
2x+9=17
(128) 8-4x=6
(129)
6x-8=28
(130) 7x-8=20
(131) x-56=1
(132) 8-7x=1
(133)x-30=12
(134) 6x-21=21
(135) 6x-3=6
(136) 9x=18
(137) 4x-18=14
(138)
5x+9=11
(139) 17-2x=11
(140) x+4+8=23
6 9
(141) 7x-12=9
(142) X-5.7=2.3
(143) 5X-2X=18
(144) 3X +0.5=5
(145) 3.5×2= 4 x
(146) 26×1.5= 2x
(147) 0.5×16―16×0.1=4x
(148) 9.26-X=0.26
(149)
36.9÷X=0.3
(150) X÷0.5=2.6
(151) 93-5x=80
(152) 180-6x=54
(153)8+4x=40
(154) 0.2x-0.5=3.7
(155) 9.4x-0.4x=16.2
(156) 92-4x=20
(157) 7x÷6=1.4
(158) 16x+34x=1
(159)
18x-14x=12
(160) 3 x-42÷14=15
(161) 12+4x=56
(162)
22-10x=12
7 9
(163) X+8.3=10.7
(172) 12x+8x=4.8
(164) 5x=30
(165) x-5.6=9.4
(166) x÷0.8=90
(167)
3x-8=16
(168) 3x+9=27
(169) 5.3+7x=7.4
(170) 3x÷5=4.8
(171) X-0.8X=6
(173) 7(x-2)=49
(174) 4×8+2x=36
(175)
(x-2)÷3=7
(176) x÷5+9=21
(177)(300-x)÷5=30
(178) 91÷x =1.3
(179)12X+6=42
(180) 41-3x=17
8 9
9 9