五年级解方程练习题180题及答案.docx
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五年级解方程练习题180题及答案
五年级解方程
(1)+x)+x=÷2
(2)2(X+X+=
(3)25000+x=6x
(4)3200=440+5X+X
(5)=6
(6)12x-8x=
(7)+2X=15
(8)=
(7)x+=
(10)=
(11)91÷x=
(12)X+=
(13)15x=3
(14)3x-8=16
(15)3x+9=27
(16)18(x-2)=270
(17)12x=300-4x
(18)7x+=
(19)3x÷5=
(25)+8=43
(26)6x-3x=18
(27)7+x)=
(28)÷x=
(29)=
(30)x÷=90
(31)(x+6)=×
(32)
(33)9x-40=5
(34)x÷5+9=21
(35)48-27+5x=31
(36)+x+21=56
(37)x+2x+18=78
(38)(200-x)÷5=30
(39)(x-140)÷70=4
(40)20-9x=2
(41)x+=
(42)=
(43)=
(44)÷x=
(45)5x+=
(46)5(x+8)=102
(47)x+3x+10=70
(48)3(x+3)=50-x+3
(49)5x+15=60
(50)=2
(51)×7+4x=
(52)x÷
(53)×6=
(54)6x+=
(55)150×2+3x=690
(56)2x-20=4
(57)3x+6=18
(58)2+x)=
(59)(x-3)÷2=
(60)+9x=
(61)3x=x+100
(62)x+=
(63)6x+18=48
(64)3(x+=
(65)12x-9x=
(66)13(x+5)=169
(67)2x-97=
(68)=
(69)42x+25x=134
(70)(x+=
(71)2(x-3)=
(72)65x+7=137
(73)9x+4×=91
(74)x+=134
(75)+=51
(76)89x-43x=
(77)5x-45=100
(78)
(79)=2x
(80)4x-x=
(81)=28
(82)=
(83)5X-2X=18
(84)3X+=7
(85)×2=+x
(86)26×=2x+10
(87)×16―16×=4x
(88)13-X=
(89)÷X=0.3
(90)23x=14x+27
(91)x+14x=75
(92)95-5x=80
(93)+6x=54
(94)-=
(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
(103)
x=20
(104)2x-6=12
(105)7x+7=14
(106)6x-6=0
(107)5x+6=11
(108)2x-8=10
(109)=4
(110)x-
=7
(111)3x+7=28
(112)3x-7=26
(113)9x-x=16
(114)24x+x=50
(115)=4
(116)3x-8=31
(117)6x+6=12
(118)3x-3=3
(119)5x-3x=4
(120)2x+16=19
(121)5x+8=19
(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)=
(148)5X-2X=18
(149)3X+=5
(150)×2=4x
(151)26×=2x
(152)×16―16×=4x
(153)-X=
(154)÷X=
(155)X÷=
(156)93-5x=80
(157)180-6x=54
(158)9+4x=40
(159)-+=
(160)-=
(161)92-4x=20
(162)7x÷6=
(163)16x+34x=1
(164)18x-14x=12
(165)3x-42÷14=15
(166)12+4x=56
(167)22-14x=12
(168)X+=
(169)5x=30
(170)=
(171)x÷=90
(172)3x-8=16
(173)3x+9=27
(174)+7x=
(175)3x÷5=
(176)=6
(177)12x+8x=
(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=
(184)41-3x=17
五年级解方程180题答案
(1)+x)+x=÷2
+2x=
+=2x=
2x÷2=÷2
X=
(2)2(X+X+=
2x+2x+1=
4x+1-1=
4x=
4x÷4=÷4
X=
(3)25000+x=6x
25000+x-x=6x-x
5x=25000
5x÷5=25000÷5
X=5000
(4)3200=440+5X+X
6x+440=3200
6x+450-450=3200-440
6x=2760
6x÷6=2760÷6
X=460
(5)=6
=6
÷=6÷
X=30
(6)12x-8x=
4x=
4x÷4=÷4
X=
(7)+2X=15
2x+2x=
2x÷2=÷2
X=
(8)=
÷=÷
X=68
(9)x+=
X+X=
(10)=
=
÷=÷
X=12
(11)91÷x=
91÷x×x=×x
=91
÷=91÷
X=70
(12)X+=
X+X=
(13)15x=3
15x÷15=3÷15
X=
(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+36
18x=306
18x÷18=306÷18
X=17
(17)12x=300-4x
12x+4x=300-4x+4x
16x=300
16x÷16=300÷16
X=
(18)7x+=
7x+7x=
7x÷7=÷7
X=
(19)3x÷5=
3x÷5×5=×5
3x=24
3x÷3=24÷3
X=8
(20)30÷x+25=85
30÷x+25-25=85-25
30÷x=60
30÷x×x=60×x
30=60x
60x÷60=30÷60
X=
(21)×8-2x=6
+2x=6+2x
=6+2x
2x+6-6=
2x=
2x÷2=÷2
X=
(22)×3=
=
6x=
6x÷6=÷6
X=
(23)410-3x=170
410-3x+3x=170+3x
170+3x=410
3x+170-170=410-170
3x=240
3x÷3=240÷3
X=80
(24)3(x+=21
3x+=21
3x+3x=
3x÷3=÷3
X=
(25)+8=43
+8-8=43-8
=35
÷=35÷
X=70
(26)6x-3x=18
3x=18
3x÷3=18÷3
X=6
(27)7+x)=
7x+=
7x+7x=42
7x÷7=42÷7
X=6
(28)÷x=
x=÷
X=
(29)=
÷=÷
X=
(30)x÷=90
x÷×=90×
X=
(31)(x+6)=×
+=
+=
÷=÷
X=
(32)
24÷x=4
x=24÷4
X=6
(33)9x-40=5
9x-40+40=5+40
9x=45
9x÷9=45÷9
X=5
(34)x÷5+9=21
x÷5+9-9=21-9
x÷5=12
x÷5×5=12×5
X=60
(35)48-27+5x=31
5x+21-21=31-21
5x=10
5x÷5=10÷5
X=2
(36)+x+21=56
x+x=
(37)x+2x+18=78
3x+18-18=78-18
3x=60
3x÷3=60÷3
X=20
(38)(200-x)÷5=30
(200-x)÷5×5=30×5
200-x=150
200-x+x=150+x
150+x=200
X+150-150=200-150
X=50
(39)(x-140)÷70=4
(x-140)÷70×70=4×70
X-140=280
X-140+140=280+140
X=420
(40)20-9x=2
9x=20-2
9x=18
9x÷9=18÷9
X=2
(41)x+=
X+X=6
(42)=
÷=÷
X=6
(43)=
+x=+x
+x=
X=X=6
(44)÷x=
X=÷
X=6
(45)5x+=
5x+5x=
5x÷5=÷5
X=
(46)5(x+8)=102
5x+40=102
5x+40-40=102-40
5x=62
5x÷5=62÷5
X=
(47)x+3x+10=70
4x+10=70
4x+10-10=70-10
4x=60
4x÷4=60÷4
X=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÷4
X=11
(49)5x+15=60
5x+15-15=60-15
5x=45
5x÷5=45÷5
X=9
(50)=2
+5x=2+5x
5x+2=
5x+2-2=
5x=
5x÷5=÷5
X=
(51)×7+4x=
4x+=
4x+4x=
4x÷4=÷4
X=
(52)x÷
x÷x÷=2
x÷×=2×
X=3
(53)×6=
×6+×6=+×6
4x=
4x÷4=÷4
X=
(54)6x+=
6x+6x=3
6x÷6=3÷6
X=
(55)150×2+3x=690
3x+300=690
3x+300-300=690-300
3x=390
3x÷3=390÷3
X=130
(56)2x-20=4
2x-20+20=4+20
2x=24
2x÷2=24÷2
X=12
(57)3x+6=18
3x+6-6=18-6
3x=12
3x÷3=12÷3
X=4
(58)2+x)=
+2x=
2x+2x=
2x÷2=÷2
X=
(59)(x-3)÷2=
(x-3)÷2×2=×2
X-3=15
X=18
(60)+9x=
=
÷=÷
X=
(61)3x=x+100
3x-x=x-x+100
2x=100
2x÷2=100÷2
X=50
(62)x+=
X=X=
(63)6x+18=48
6x+18-18=48-18
6x=30
6x÷6=30÷6
x=5
(64)3(x+=
3x+=
3x=3x=
3x÷3=÷3
X=
(65)12x-9x=
3x=
3x÷3=÷3
X=
(66)13(x+5)=169
13x+65=169
13x+65-65=169-65
13x=104
13x÷13=104÷13
X=8
(67)2x-97=
2x-97+97=+97
2x=
2x÷2=÷2
X=
(68)=
+48=+48
=
÷=÷
X=22
(69)42x+25x=134
67x=134
67x÷67=134÷67
X=2
(70)(x+=
+=
==
÷=÷
X=
(71)2(x-3)=
2x-6=
2x-6+6=+6
2x=
2x÷2=÷2
X=
(72)65x+7=137
65x+7-7=137-7
65x=130
65x÷65=130÷65
X=2
(73)9x+4×=91
9x+10=91
9x+10-10=91-10
9x=81
9x÷9=81÷9
X=9
(74)x+=134
=134
÷=134÷
X=20
(75)+=51
17x=51
17x÷17=51÷17
X=3
(76)89x-43x=
46x=
46x÷46=÷46
X=
(77)5x-45=100
5x-45+45=100+45
5x=145
5x÷5=145÷5
X=29
(78)
=
÷=÷
X=9
(79)=2x
2x÷2=÷2
X=
(80)4x-x=
3x=
3x÷3=÷3
X=
(81)=28
=28
÷=28÷
X=8
(82)=
X=+
X=
(83)5X-2X=18
3x=18
3x÷3=18÷3
X=6
(84)3X+=7
3x+3x=
3x÷3=÷3
X=
(85)×2=+x
+x=7
X=
X=
(86)26×=2x+10
2x+10=39
2x+10-10=39-10
2x=29
2x÷2=29÷2
X=
(87)×16―16×=4x
4x=
4x÷4=÷4
X=
(88)13-X=
X=X=
(89)÷X=0.3
X=÷
X=63
(90)23x=14x+27
23x-14x=14x-14x+27
9x=27
9x÷9=27÷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)+6x=54
6x=
6x=
6x÷6=÷6
X=
(94)-=
=+
=67
÷=67÷
X=10
(95)9+4x=53
4x=53-9
4x=44
4x÷4=44÷4
X=11
(96)2x+8=16
2x=16-8
2x=8
2x÷2=8÷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÷6
x=
(102)8x-8=6x
8x-8+8=6x+8
8x-6x=6x-6x+8
2x=8
2x÷2=8÷2
X=4
(103)
x=20
x÷
=20÷
X=25
(104)2x-6=12
2x-6+6=12+6
2x=18
2x÷2=18÷2
X=9
(105)7x+7=14
7x+7-7=14-7
7x=7
7x÷7=7÷7
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)=4
+8=4+8
=12
÷=12÷
X=
(110)x-
=7
X-
+
=7+
X=
(111)3x+7=28
3x+7-7=28-7
3x=21
3x÷3=21÷3
X=7
(112)3x-7=26
3x-7+7=26+7
3x=33
3x÷3=33÷3
X=11
(113)9x-x=16
8x=16
8x÷8=16÷8
X=2
(114)24x+x=50
25x=50
25x÷25=50÷25
X=2
(115)=4
+8=4+8
=12
÷=12÷
X=10
(116)3x-8=31
3x-8+8=31+8
3x=39
3x÷3=39÷3
X=13
(117)6x+6=12
6x+6-6=12-6
6x=6
X=1
(118)3x-3=3
3x-3+3=3+3
3x=6
3x÷3=6÷3
X=2
(119)5x-3x=4
2x=4
2x÷2=4÷2
X=2
(120)2x+16=19
2x+16-16=19-16
2x=3
2x÷2=3÷2
X=
(121)5x+8=19
5x+8-8=19-8
5x=11
5x÷5=11÷5
X=
(122)14-6x=8
14-6x+6x=8+6x
6x+8-8=14-8
6x=6
X=1
(123)15+6x=27
6x+15-15=27-15
6x=12
6x÷6=12÷6
X=2
(124)5-8x=4
5-8x+8x=4+8x
8x+4-4=5-4
8x=1
8x÷8=1÷8
X=
(125)7x+8=15
7x+8-8=15-8
7x=7
X=1
(126)9-2x=1
9-2x+2x=1+2x
2x+1-1=9-1
2x=8
2x÷2=8÷2
X=4
(127)4+5x=9
5x+4-4=9-4
5x=5
X=1
(128)10-x=8
X=10-8
X=2
(129)8x+9=17
8x+9-9=17-9
8x=8
X=1
(130)9+6x=15
6x+9-9=15-9
6x=6
X=1
(131)x+9x=4+7
10x=11
10x÷10=11÷10
X=
(132)2x+9=17
2x+9-9=17-9
2x=8
2x÷2=8÷2
X=4
(133)8-4x=6
8-4x+4x=6+4x
4x+6-6=8-6
4x=2
4x÷2=2÷4
X=
(134)6x-7=28
6x-7+7=28+7
6x=36
6x÷6=36÷6
X=6
(135)7x-9=20
7x-9+9=8+20
7x=28
7x÷7=28÷7
X=4
(136)x-56=1
X=56+1
X=57
(137)8-7x=1
8-7x+7x=1+7x
7x+1-1=8-1
7x=7
X=1
(138)x-30=12
X-30+30=12+30
X=42
(139)6x-21=21
6x-21+21=21+21
6x=42
6x÷6=42÷6
X=7
(140)6x-3=6
6x-3+3=6+3
6x=9
6x÷6=9÷6
X=
(141)9x=18
9x÷9=18÷9
X=2
(142)4x-18=14
4x-18+18=14+18
4x=32
4x÷4=32÷4
X=8
(143)5x+9=11
5x+9-9=11-9
5x=2
5x÷5=2÷5
X=
(144)17-2x=11
17-2x+2x=11+2x
2x+11-11=17-11
2x=6
2x÷2=6÷2
X=3
(145)x+4+8=23
X+12=23
X=23-12