完整版五年级解方程练习题180题有答案可编辑修改word版.docx
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完整版五年级解方程练习题180题有答案可编辑修改word版
(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
五年级解方程180题有答案
(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
(38)(200-x)÷5=30
(27)
7(6.5+x)=87.5
(39)(x-140)÷70=4
(40)20-9x=2
(28)
0.273÷x=0.35
(41)x+19.8=25.8
(29)
1.8x=0.972
(42)5.6x=33.6
(30)
x÷0.756=90
(43)9.8-x=3.8
(31)
0.1(x+6)=3.3×0.4
(44)75.6÷x=12.6
(32)
(27.5-3.5)÷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
(63)6x+18=48
(51)
0.3×7+4x=12.5
(64)3(x+2.1)=10.5
(52)
x÷1.5-1.25=0.75
(65)12x-9x=8.7
(53)
4x-1.3×6=2.6
(66)13(x+5)=169
(54)
6x+12.8=15.8
(67)2x-97=34.2
(55)
150×2+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)÷2=7.5
(72)65x+7=137
(60)
13.2x+9x=33.3
(73)9x+4×2.5=91
(61)
3x=x+100
(74)4.2x+2.5x=134
(62)
x+4.8=7.2
(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)139.25-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
(112)3x-7=26
(113)9x-x=16(114)24x+x=50
(103)
4x=20
5
(115)1.2x-8=4
4
(111)3x+7=28
(123)15+6x=27
(124)5-8x=4
(137)8-7x=1
(125)
7x+8=15
(138)x-30=12
(126)
9-2x=1
(139)6x-21=21
(127)
4+5x=9
(140)6x-3=6
(128)
10-x=8
(141)9x=18
(129)
8x+9=17
(142)4x-18=14
(130)
9+6x=15
(143)5x+9=11
(131)
x+9x=4+7
(144)17-2x=11
(132)
2x+9=17
(145)x+4+8=23
(133)
8-4x=6
(134)
6x-7=28
(146)7x-12=9
(135)
7x-9=20
(147)X-5.7=2.15
(136)
x-56=1
(148)5X-2X=18
(149)3X+0.5=5
(150)3.5×2=4x
(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)3x-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
五年级解方程180题答案
(1)(0.5+x)+x=9.8÷2
0.5+2x=4.9
0.5+2x-0.5=4.9-0.5
2x=4.4
2x÷2=4.4÷2X=2.2
(2)2(X+X+0.5)=9.8
2x+2x+1=9.8
4x+1-1=9.8-1
4x=8.8
4x÷4=8.8÷4X=2.2
(3)25000+x=6x25000+x-x=6x-x
5x=25000
5x÷5=25000÷5X=5000
(4)3200=440+5X+X6x+440=3200
6x+450-450=3200-440
6x=2760
6x÷6=2760÷6X=460
(5)X-0.8X=6
0.2x=6
0.2x÷0.2=6÷0.2
X=30
(6)12x-8x=4.8
4x=4.8
4x÷4=4.8÷4X=1.2
(7)7.5+2X=152x+7.5-7.5=15-7.5
2x=7.5
2x÷2=7.5÷2X=3.75
(8)1.2x=81.61.2x÷1.2=81.6÷1.2
X=68(9)x+5.6=9.4
X+5.6-5.6=9.4-5.6
X=3.8(10)x-0.7x=3.6
0.3x=3.6
0.3x÷0.3=3.6÷0.3
X=12(11)91÷x=1.391÷x×x=1.3×x
1.3x=91
1.3x÷1.3=91÷1.3
X=70
(12)X+8.3=10.7X+8.3-8.3=10.7-8.3
X=2.4
(13)15x=315x÷15=3÷15
X=0.2
(14)3x-8=16
3x-8+8=16+8
3x=24
3x÷3=24÷3X=8
(15)3x+9=273x+9-9=27-9
3x=18
3x÷3=18÷3
3x=6
(16)18(x-2)=270
18x-36=270
18x-36+36=270+36
18x=306
18x÷18=306÷18X=17
(17)12x=300-4x
12x+4x=300-4x+4x
16x=300
16x÷16=300÷16X=18.75
(18)7x+5.3=7.47x+5.3-5.3=7.4-5.3
7x=2.1
7x÷7=2.1÷7X=0.3
(19)3x÷5=4.83x÷5×5=4.8×5
3x=24
3x÷3=24÷3X=8
(20)30÷x+25=8530÷x+25-25=85-25
30÷x=60
30÷x×x=60×x
30=60x
60x÷60=30÷60
X=0.5
(21)1.4×8-2x=6
11.2-2x+2x=6+2x
11.2=6+2x
2x+6-6=11.2-6
0.5x=35
2x=5.2
0.5x÷0.5=35÷0.5
2x÷2=5.2÷2
X=70
X=2.6
(26)
6x-3x=18
(22)
6x-12.8×3=0.06
3x=18
6x-38.4=0.06
3x÷3=18÷3
6x=38.46
X=6
6x÷6=38.46÷6
(27)
7(6.5+x)=87.5
X=6.41
7x+45.5=87.5
(23)
410-3x=170
7x+45.5-45.5=87.5-45.5
410-3x+3x=170+3x
7x=42
170+3x=410
7x÷7=42÷7
3x+170-170=410-170
X=6
3x=240
3x÷3=240÷3
(28)
0.273÷x=0.35
X=80
x=0.273÷0.35
(24)3(x+0.5)=21
X=0.78
3x+1.5=21
3x+1.5-1.5=21-1.5
(29)
1.8x=0.972
3x=19.5
1.8x÷1.8=0.972÷1.8
3x÷3=19.5÷3
X=0.54
X=6.5
(25)0.5x+8=43
(30)
x÷0.756=90
0.5x+8-8=43-8
x÷0.756×0.756=90×0.756
X=68.04
5x÷5=10÷5
(31)
0.1(x+6)=3.3×0.4
X=2
0.1x+0.6=1.32
(36)
10.5+x+21=56
0.1x+0.6-0.6=1.32-0.6
x+31.5-31.5=56-31.5
0.1x=0.72
x=24.5
0.1x÷0.1=0.72÷0.1
(37)
x+2x+18=78
X=7.2
3x+18-18=78-18
(32)
(27.5-3.5)÷x=4
3x=60
24÷x=4
3x÷3=60÷3
x=24÷4
X=20
X=6
(38)
(200-x)÷5=30
(33)
9x-40=5
(200-x)÷5×5=30×5
9x-40+40=5+40
200-x=150
9x=45
200-x+x=150+x
9x÷9=45÷9
150+x=200
X=5
X+150-150=200-150
(34)
x÷5+9=21
X=50
x÷5+9-9=21-9
x÷5=12
(39)
(x-140)÷70=4
x÷5×5=12×5
(x-140)÷70×70=4×70
X=60
X-140=280
(35)
48-27+5x=31
X-140+140=280+140
5x+21-21=31-21
X=420
5x=10
(40)20-9x=2
9x=20-2
5x÷5=19.8÷5
9x=18
X=3.96
9x÷9=18÷9
(46)5(x+8)=102
X=2
5x+40=102
(41)
x+19.8=25.8
5x+40-40=102-40
X+19.8-19.8=25.8-19.8
5x=62
X=6
(42)5.6x=33.65.6x÷5.6=33.6÷5.6
X=6
(43)9.8-x=3.89.8-x+x=3.8+x
3.8+x=9.8
X=9.8-3.8X=6
(44)75.6÷x=12.6
X=75.6÷12.6X=6
(45)5x+12.5=32.35x+12.5-12.5=32.3-12.5
5x=19.8
5x÷5=62÷5
X=12.4
(47)x+3x+10=70
4x+10=70
4x+10-10=70-10
4x=60
4x÷4=60÷4X=15
(48)3(x+3)=50-x+3
3x+9=53-x
3x+x+9-9=53-x+x-9
4x=44
4x÷4=44÷4X=11
(49)5x+15=605x+15-15=60-15
5x=45
5x÷5=45÷5X=9
(50)3.5-5x=2
3.5-5x+5x=2+5x
5x+2=3.5
5x+2-2=3.5-2
5x=1.5
5x÷5=1.5÷5X=0.3
(51)0.3×7+4x=12.5
4x+2.1=12.5
4x+2.1-2.1=12.5-2.1
4x=10.4
4x÷4=10.4÷4X=2.6
(52)x÷1.5-1.25=0.75x÷1.5-1.25+1.25=0.75+1.25
x÷1.5=2x÷1.5×1.5=2×1.5
X=3
(53)4x-1.3×6=2.6
4x-1.3×6+1.3×6=2.6+1.3×6
4x=10.4
4x÷4=10.4÷4
X=2.6
(54)6x+12.8=15.86x+12.8-12.8=15.8-12.8
6x=3
6x÷6=3÷6
X=0.5
(55)150×2+3x=690
3x+300=690
3x+300-300=690-300
3x=390
3x÷3=390÷3X=130
(56)2x-20=4
2x-20+20=4+20
2x=24
2x÷2=24÷2X=12
(57)3x+6=18
3x+6-6=18-6
3x=12
3x÷3=12÷3X=4
(58)2(2.8+x)=10.4
5.6+2x=10.4
2x+5.6-5.6=10.4-5.6
2x=4.8
2x÷2=4.8÷2X=2.4
(59)(x-3)÷2=7.5
(x-3)÷2×2=7.5×2
X-3=15X=18
(60)13.2x+9x=33.3
22.2x=33.3
22.2x÷22.2=33.3÷22.2
X=1.5
(61)3x=x+1003x-x=x-x+100
2x=100
2x÷2=100÷2X=50
(62)x+4.8=7.2
X=7.2-4.8X=2.4
(63)6x+18=48
6x+18-18=48-18
6x=30
6x÷6=30÷6
x=5
(64)3(x+2.1)=10.5
3x+6.3=10.5
3x=10.5-6.3
3x=4.2
3x÷3=4.2÷3X=1.4
(65)12x-9x=8.7
3x=8.7
3x÷3=8.7÷3X=2.9
(66)13(x+5)=169
13x+65=169
13x+65-65=169-65
13x=104
13x÷13=104÷13X=8
(67)2x-97=34.2
2x-97+97=34.2+97
2x=131.2
2x÷2=131.2÷2
X=65.6
(68)3.4x-48=26.83.4x-48+48=26.8+48
3.4x=74.8
3.4x÷3.4=74.8÷3.4
X=22
(69)42x+25x=134
67x=134
67x÷67=134÷67X=2
(70)1.5(x+1.6)=3.6
1.5x+2.4=3.6
1.5x=3.6-2.4
1.5x=1.2
1.5x÷1.5=1.2÷1.5
X=0.8
(71)2(x-3)=5.8
2x-6=5.8
2x-6+6=5.8+6
2x=11.8
2x÷2=11.8÷2X=5.9
(72)65x+7=137
65x+7-7=137-7
65x=130
65x÷65=130÷65X=2
(73)9x+4×2.5=91
9x+10=91
9x+10-10=91-10
9x=81
9x÷9=81÷9X=9
(74)4.2x+2.5x=134
6.7x=134
6.7x÷6.7=134÷6.7
X=20(75)10.5x+6.5x=51
17x=51
17x÷17=51÷17X=3
(76)89x-43x=9.2
46x=9.2
46x÷46=9.2÷46X=0.2
(77)5x-45=100
5x-45+45=100+45
5x=145
5x÷5=145÷5X=29
(78)1.2x-0.5x=6.3
0.7x=6.3
0.7x÷0.7=6.3÷0.7
X=9
(79)23.4=2x
2x÷2=23.4÷2X=11.7
(80)4x-x=48.6
3x=48.6
3x÷3=48.6÷3X=16.2
(81)4.5x-x=28
3.5x=28
3.5x÷3.5=28÷3.5
X=8(82)X-5.7=2.15
X=5.7+2.15X=7.85
(83)5X-2X=18
3x=18
3x÷3=18÷3X=6
(84)3X+0.7=73x+0.7-0.7=7-0.7
3x=6.3
3x÷3=6.3÷3X=2.1
(85)3.5×2=4.2+x
4.2+x=7
X=7-4.2X=2.8
(86)26×1.5=2x+10
2x+10=39
2x+10-10=39-10
2x=29
2x÷2=29÷2
X=14.5
(87)0.5×16―16×0.2=4x
4x=4.8
4x÷4=4.8÷4X=1.2
(88)139.25-X=0.403
X=139.25-0.403
X=138.847(89)18.9÷X=0.3
X=18.9÷0.3X=63
(90)23x=14x+27
23x-14x=14x-14x+27
9x=27
9x÷9=27÷9X=3
(91)x+14x=75
15x=75
15x÷15=75÷15X=5
(92)95-5x=80
95-5x+5x=80+5x
5x+80=95
5x+80-80=95-80
5x=15X=3
(93)1.8+6x=54
6x=54-1.8
6x=52.2
6x÷6=52.2÷6X=8.7
(94)6.7x-60.3=6.7
6.7x=60.3+6.7
6.7x=67
6.7x÷6.7=67÷6.7
X=10
(95)9+4x=53
4x=53-9
4x=44
4x÷4=44÷4X=11
(96)2x+8=16
2x=16-8
2x=8
2x÷2=8÷2X=4
(97)20x-14x=24
6x=24
6x÷6=24÷6X=4
(98)x+7x=8
8x=8X=1
(99)9x-3x=6
6x=6
X=1(100)6x-8=4
6x-8+8=4+8
6x=12X=2
(101)5x+x=9
6x=9
6x÷6=9÷6
x=1.5
(102)8x-8=6x
8x-8+8=6x+8
8x-6x=6x-6x+82x=8
2x÷2=8÷2
7x+7-7=14-7
7x=7
7x÷7=7÷7X=1
(106)6x-6=0
6x-6+6=0+6
6x=6X=1
(107)5x+6=11
5x+6-6=11-6
5x=5X=1
(108)2x-8=10
2x-8+8=10+8
(103)
4
X=4
4x=20
5
44
2x=18X=9
x÷=20÷
555
X=25
(104)2x-6=12
2x-6+6=12+6
2x=18
2x÷2=18÷2
(109)2.5x-8=4
2.5x-8+8=4+8
2.5x=12
2.5x÷2.5=12÷2.5
X=4.8
(110)3
4
333
X=9
(105)7x+7=14
X-+=7+
444
X=7.75
(111)
3x+7=28
3x-8+8=31+8
3x+7-7=28-7
3x=39
3x=21
3x÷3=39÷3
3x÷3=21÷3
X=13
X=7
(117)6x+6=12
(112)
3x-7=26
6x+6-6=12-6
3x-7+7=26+7
6x=6
3x=33
X=1
3x÷3=33÷3
(118)3x-3=3
X=11
3x-3+3=3+3
(113)9x-x=16
3x=6
8x=16
3x÷3=6÷3
8x÷8=16÷8
X=2
X=2
(119)5x-3x=4
(114)24x+x=50
2x=4
25x=50
2x÷2=4÷2
25x÷25=50÷25
X=2
X=2
(120)2x+16=19
(115)1.2x-8=4
2x+16-16=19-16
1.2x-8+8=4+8
2x=3
1.2x=12
2x÷2=3÷2
1.2x÷1.2=12÷1.2
X=1.5
X=10
(121)5x+8=19
(116)