完整版五年级方程题170道.docx
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完整版五年级方程题170道.docx
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完整版五年级方程题170道
五年级方程题170道
(1)(0.5+x)+x=9.8-2
(12)X+8.3=10.7
(2)2(X+X+0.5)=9.8
(13)15x=3
(3)25000+x=6x
(14)3x-8=16
(4)3200=440+5X+X
(15)3x+9=27
(5)X-0.8X=6
(16)18(x-2)=270
(6)12x-8x=4.8
(17)12x=300-4x
(7)7.5+2X=15
(18)7x+5.3=7.4
(8)1.2x=81.6
(19)3x-5=4.8
(7)x+5.6=9.4
(25)0.5x+8=43
(10)x-0.7x=3.6
(26)6x-3x=18
(11)91-x=1.3
(27)7(6.5+x)=87.5
(28)0.273-x=0.35
(40)20-9x=2
(29)1.8x=0.972
(41)x+19.8=25.8
(30)x-0.756=90
(42)5.6x=33.6
(31)0.1(x+6)=3.3X0.4
(43)9.8-x=3.8
(32)(27.5-3.5)-x=4
(44)75.6-x=12.6
(33)9x-40=5
(45)5x+12.5=32.3
(34)x-5+9=21
(46)5(x+8)=102
(35)48-27+5x=31
(47)x+3x+10=70
(36)10.5+x+21=56
(48)3(x+3)=50-x+3
(37)x+2x+18=78
(49)5x+15=60
(38)(200-x)-5=30
(50)3.5-5x=2
(39)(x-140)-70=4
(51)0.3X7+4x=12.5
(52)x-1.5-1.25=0.75
(64)3(x+2.1)=10.5
(53)4x-1.3X6=2.6
(65)12x-9x=8.7
(54)6x+12.8=15.8
(66)13(x+5)=169
(55)150X2+3x=690
(67)2x-97=34.2
(56)2x-20=4
(68)3.4x-48=26.8
(57)3x+6=18
(69)42x+25x=134
(58)2(2.8+x)=10.4
(70)1.5(x+1.6)=3.6
(59)(x-3)-2=7.5
(71)2(x-3)=5.8
(60)13.2x+9x=33.3
(72)65x+7=137
(61)3x=x+100
(73)9x+4X2.5=91
(62)x+4.8=7.2
(74)4.2x+2.5x=134
(63)6x+18=48
(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)3.5X2=4.2+x
(86)26X1.5=2x+10
(87)0.5X16—16X0.2=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
学习资料
(99)9x-3x=6
(111)3x+7=28
(100)6x-8=4
(112)3x-7=26
(101)5x+x=9
(113)9x-x=16
(102)8x-8=6x
(114)24x+x=50
4
(103)4x=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
3
(110)x-=7
4
(122)14-6x=8
(123)15+6x=27
(135)7x-9=20
(124)5-8x=4
(136)x-56=1
(125)7x+8=15
(137)8-7x=1
(126)9-2x=1
(138)x-30=12
(127)4+5x=9
(139)6x-2仁21
(128)10-x=8
(140)6x-3=6
(129)8x+9=17
(141)9x=18
(130)9+6x=15
(142)4x-18=14
(131)x+9x=4+7
(143)5x+9=11
(132)2x+9=17
(144)17-2x=11
(133)8-4x=6
(145)x+4+8=23
(134)6x-7=28
(146)7x-12=9
(147)X-5.7=2.15
(148)5X-2X=18
(149)3X+0.5=5
(150)3.5X2=4x
(151)26X1.5=2x
(152)0.5X16—16X0.仁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
(177)12x+8x=4.8
(169)5x=30
(178)7(x-2)=49
(170)x-5.6=9.4
(179)4X8+2x=36
(171)x-0.8=90
(180)(x-2)-3=7
(172)3x—8=16
(181)x-5+9=21
(173)3x+9=27
(182)(300-x)-5=30
(174)5.3+7x=7.4
(183)91-x=1.3
(175)3x-5=4.8
(176)X-0.8X=6
(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=4.9-0.52x=4.4
2x-2=4.4-2
X=2.2
(2)2(X+X+0.5)=9.82x+2x+1=9.8
4x+1-1=9.8-1
4x=8.8
4x十4=8.8十4
X=2.2
(3)25000+x=6x
25000+x-x=6x-x
5x=25000
5x-5=25000-5
X=5000
(4)3200=440+5X+X6x+440=3200
6x+450-450=3200-4406x=2760
6x—6=2760—6
X=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十4=4.8十4
X=1.2
(7)7.5+2X=15
2x+7.5-7.5=15-7.5
2x=7.5
2x-2=7.5-2
X=3.75
(8)1.2x=81.6
1.2x-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=1.3
91-xxx=1.3xx
1.3x=91
1.3x-1.3=91-1.3
X=70
(12)X+8.3=10.7
X+8.3-8.3=10.7-8.3
X=2.4
(13)15x=3
15x-15=3-15
X=0.2
(14)3x-8=16
3x-8+8=16+8
3x=24
3x-3=24-3
X=8
(15)3x+9=27
3x+9-9=27-9
3x=18
3x-3=18-3
3x=6
(16)18(x-2)=270
18x-36=270
18x-36+36=270+3618x=306
18x-18=306-18
X=17
(17)12x=300-4x
12x+4x=300-4x+4x
16x=300
16x-16=300-16
X=6.5
X=18.75
(25)0.5x+8=43
(18)7x+5.3=7.4
0.5x+8-8=43-8
7x+5.3-5.3=7.4-5.3
0.5x=35
7x=2.1
0.5x—0.5=35—0.5
7x-7=2.1-7
X=70
X=0.3
(26)6x-3x=18
(19)3x-5=4.8
3x=18
3x-5X5=4.8X5
3x-3=18-3
3x=24
X=6
3x-3=24-3
(27)7(6.5+x)=87.5
X=8
7x+45.5=87.5
(20)30-x+25=85
7x+45.5-45.5=87.5-45.5
30-x+25-25=85-25
7x=42
30-x=60
7x-7=42-7
30-xXx=60Xx
X=6
30=60x
60x-60=30-60
(28)0.273-x=0.35
X=0.5
x=0.273
—0.35
(21)1.4X8-2x=6
X=0.78
11.2-2x+2x=6+2x
11.2=6+2x
(29)1.8x=0.972
2x+6-6=11.2-6
1.8x-1.8=0.972-
1.8
2x=5.2
X=0.54
2x十2=5.2十2
X=2.6
(30)x-0.756=90
(22)6x-12.8X3=0.06
x-0.756X0.756=90X0.756
6x-38.4=0.06
X=68.04
6x=38.46
(31)0.1(x+6)=3.3
X0.4
6x-6=38.46十6
0.1x+0.6=1.32
X=6.41
0.1x+0.6-0.6=1.32-0.6
(23)410-3x=170
0.1x=0.72
410-3x+3x=170+3x
0.1x-0.1=0.72
-0.1
170+3x=410
X=7.2
3x+170-170=410-170
(32)(27.5-3.5)-x=4
3x=240
24-x=4
3x-3=240-3
x=24
十4
X=80
X=6
(24)3(x+0.5)=21
(33)9x-40=5
3x+1.5=21
9x-40+40=5+40
3x+1.5-1.5=21-1.5
9x=45
3x=19.5
9x十9=45十9
3x—3=19.5—3
X=5
(34)x-5+9=21
x十5+9-9=21-9
(43)9.8-x=3.8
x-5=12
9.8-x+x=3.8+x
x—5X5=12X5
3.8+x=9.8
X=60
X=9.8-3.8
(35)48-27+5x=31
X=6
5X+21-21=31-21
(44)75.6+x=12.6
5x=10
X=75.6+12.6
5x十5=10+5
X=6
X=2
(36)10.5+x+21=56
(45)5x+12.5=32.3
x+31.5-31.5=56-31.5
5x+12.5-12.5=32.3-12.5
x=24.5
5x=19.8
(37)x+2x+18=78
5x+5=19.8+5
3x+18-18=78-18
X=3.96
3x=60
(46)5(x+8)=102
3x+3=60+3
5x+40=102
X=20
5x+40-40=102-40
(38)(200-x)+5=30
5x=62
(200-x)+5X5=30X5
5x+5=62+5
200-x=150
X=12.4
200-x+x=150+x
(47)x+3x+10=70
150+x=200
4x+10=70
X+150-150=200-150
4x+10-10=70-10
X=50
4x=60
4x+4=60+4
(39)(x-140)+70=4
X=15
(x-140)+70X70=4X70
(48)3(x+3)=50-x+3
X-140=280
3x+9=53-x
X-140+140=280+140
3x+x+9-9=53-x+x-9
X=420
4x=44
(40)20-9x=2
4x+4=44+4
9x=20-2
X=11
9x=18
9x+9=18+9
(49)5x+15=60
X=2
5x+15-15=60-15
(41)x+19.8=25.8
5x=45
X+19.8-19.8=25.8-19.8
5x+5=45+5
X=6
X=9
(50)3.5-5x=2
(42)5.6x=33.6
3.5-5x+5x=2+5x
5.6x+5.6=33.6+5.6
5x+2=3.5
X=6
5x+2-2=3.5-2
5x=1.5
5.6+2x=10.4
5x十5=1.5十5
2x+5.6-5.6=10.4-5.6
X=0.3
2x=4.8
(51)0.3X7+4x=12.5
2x十2=4.8十2
4x+2.1=12.5
X=2.4
4x+2.1-2.1=12.5-2.1
(59)(x-3)-2=7.5
4x=10.4
(x-3)-2X2=7.5X2
4x十4=10.4十4
X-3=15
X=2.6
X=18
(52)x-1.5-1.25=0.75
x-1.5-1.25+1.25=0.75+1.25
(60)13.2x+9x=33.3
x-1.5=2
22.2x=33.3
x-1.5X1.5=2X1.5
22.2x-22.2=33.3-22.2
X=3
X=1.5
(53)4x-1.3X6=2.6
(61)3x=x+100
4x-1.3X6+1.3X6=2.6+1.3X6
3x-x=x-x+100
4x=10.4
2x=100
4x十4=10.4十4
2x十2=100十2
X=2.6
X=50
(54)6x+12.8=15.8
(62)x+4.8=7.2
6x+12.8-12.8=15.8-12.8
X=7.2-4.8
6x=3
X=2.4
6x—6=3—6
(63)6x+18=48
X=0.5
6x+18-18=48-18
6x=30
(55)150X2+3x=690
6x—6=30*6
3x+300=690
x=5
3x+300-300=690-300
(64)3(x+2.1)=10.5
3x=390
3x+6.3=10.5
3x-3=390-3
3x=10.5-6.3
X=130
3x=4.2
(56)2x-20=4
3x*3=4.2*3
2x-20+20=4+20
X=1.4
2x=24
(65)12x-9x=8.7
2x十2=24十2
3x=8.7
X=12
3x*3=8.7*3
X=2.9
(57)3x+6=18
(66)13(x+5)=169
3x+6-6=18-6
13x+65=169
3x=12
13x+65-65=169-65
3x-3=12-3
13x=104
X=4
13x*13=104*13
(58)2(2.8+x)=10.4
X=8
(67)2x-97=34.2
2x-97+97=34.2+97
2x=131.2
2x十2=131.2十2X=65.6
(68)3.4x-48=26.8
3.4x-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=134-67
X=2
(70)1.5(x+1.6)=3.6
1.5x+2.4=3.61.5x=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十2=11.8十2
X=5.9
(72)65x+7=137
65x+7-7=137-7
65x=130
65x-65=130-65
X=2
(73)9x+4X2.5=919x+10=91
9x+10-10=91-10
9x=81
9x十9=81十9
X=9
(74)4.2x+2.5x=134
6.7x=134
6.7x-6.7=134-6.7
(75)10.5x+6.5x=51
17x=51
17x-17=51-17
X=3
(76)89x-43x=9.2
46x=9.2
46x-46=9.2-46
X=0.2
(77)5x-45=100
5x-45+45=100+45
5x=145
5x十5=145十5
X=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十2=23.4十2
X=11.7
(80)4x-x=48.6
3x=48.6
3x—3=48.6—3
X=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+2.15
X=7.85
(83)5X-2X=18
3x=18
3x-3=18-3
X=6
(84)3X+0.7=7
3x+0.7-0.7=7-0.7
3x=6.3
3x—3=6.3—3
X=2.1
(85)3.5X2=4.2+x
学习资料
X=7-4.2
X=2.8
(86)26X1.5=2x+10
2x+10=39
2x+10-10=39-10
2x=29
2x十2=29十2
X=14.5
(87)0.5X16—16X0.2=4x
4x=4.8
4x十4=4.8十4
X=1.2
(88)139.25—X=0.403
X=139.25-0.403X=138.847
(89)18.9-X=0.3
X=18.9-0.3
X=63
(90)23x=14x+27
23x-14x=14x-14x+27
9x=27
9x十9=27十9
X=3
(91)x+14x=75
15x=75
15x-15=75-15
X=5
(92)95—5x=80
95-5x+5x=80+5x
5x+80=95
5x+80-80=95-80
5x=15
X=3
(93)1.8+6x=54
6x=54-1.8
6x=52.2
6x-6=52.2-6
X=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十4=44十4
X=11
(96)2x+8=16
2x=16-8
2x=8
2x十2=8十2
X=4
(97)20x-14x=24
6x=24
6x—6=24—6
X=4
(98)x+7x=8
8x=8
X=1
(99)9x-3x=6
6x=6
X=1
(100)6x-8=4
6x-8+8=4+8
6x=12
X=2
(101)5x+x=9
6x=9
6x—6=9—6x=1.5
(102)8x-8=6x
8x-8+8=6x+8
8x-6x=6x-6x+8
2x=8
2x
X=4
(103)
4x=20
5
4一
4x+4=20+4
555
X=25
(104)2x-6=12
2x=18
2x
X=9
(105)7x+7=14
7x+7-7=14-7
7x=7
7x
X=1
(106)6x-6=0
6x-6+6=0+6
6x=6
X=1
(107)5x+6=11
5x+6-6=11-6
5x=5
X=1
(108)2x-8=10
2x-8+8=10+8
2x=18
X=9
(109)2.5x-8=4
2.5x-8+8=4+8
2.5x=12
2.5x
2.5=12
X=4.8
(110)
x-
3=7
4
X-
3=7+
4
(111)
X=7.75
3x+7=28
3x+7-7=28-7
3
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