五年级解方程练习及.docx
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五年级解方程练习及.docx
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五年级解方程练习及
五年级解方程题有答案
(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)=
(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)=
(11)91÷x=
(28)÷x=
(29)=
(42)=
(30)x÷=90
(43)=
(31)(x+6)=×
(44)÷x=
(32)
(45)5x+=
(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)+x+21=56
(49)5x+15=60
(37)x+2x+18=78
(50)=2
(38)(200-x)÷5=30
(51)×7+4x=
(39)(x-140)÷70=4
(40)20-9x=2(52)x÷
(41)x+=(53)×6=
(66)13(x+5)=169
(54)6x+=
(67)2x-97=
(55)150×2+3x=690
(68)=
(56)2x-20=4
(69)42x+25x=134
(57)3x+6=18
(70)(x+=
(58)2+x)=
(71)2(x-3)=
(59)(x-3)
÷2=
(72)65x+7=137
(60)+9x=
(73)9x+4×=91
(61)3x=x+100
(74)
x+=134
(62)x+=
(75)
+=51
(63)6x+18=48
(76)
89x-43x=
(64)3(x+=
(77)
5x-45=100
(65)12x-9x=
(78)
(91)x+14x=75
(79)=2x
(92)95-5x=80
(80)4x-x=
(93)+6x=54
(81)=28
(94)-=
(82)=
(95)9+4x=53
(83)5X-2X=18
(96)2x+8=16
(84)3X+=7
(97)20x-14x=24
(85)×2=+x
(98)x+7x=8
(86)26×=2x+10
(87)×16―16×=4x
(99)9x-3x=6
(88)13-X=(100)6x-8=4
(89)÷X=0.3(101)5x+x=9
(90)23x=14x+27(102)8x-8=6x
(103)
4x=20
(115)
=4
5
(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)=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
(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)
=
(136)x-56=1
(148)
5X-2X=18
(137)
8-7x=1
(149)3X+=5
(138)x-30=12
(150)
×2=4x
(139)
6x-21=21
(151)
26×=2x
(152)×16―16×=4x(164)18x-14x=12
(153)-X=(165)3x-42÷14=15
(154)÷X=(166)12+4x=56
(155)X÷=
(167)22-14x=12
(156)93-5x=80
(168)X+=
(157)180-6x=54
(169)5x=30
(158)9+4x=40
(170)=
(159)-+=
(171)x÷=90
(160)-=
(172)3x-8=16
(161)92-4x=20
(173)3x+9=27
(162)7x÷6=
(174)+7x=
(163)16x+34x=1
(175)3x÷5=
(176)
=6
(181)x
÷5+9=21
(177)
12x+8x=
(182)(300-x)
÷5=30
(178)
7(x-2)=49
(183)91
÷x
=
(179)
4
×8+2x=36
(180)(x-2)÷3=7(184)41-3x=17
五年级解方程
180题答案
X=
(1)+x)+x=÷2
(3)25000+x=6x
+2x=
25000+x-x=6x-x
+=
2x=
5x=25000
2x
÷2=÷2
5x÷5=25000÷5
X=
X=5000
(2)2(X+X+=
(4)3200=440+5X+X
2x+2x+1=
6x+440=3200
4x+1-1=
6x+450-450=3200-440
4x=
6x=2760
4x
÷4=÷4
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=÷2X=
(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+83x=24
3x÷3=24÷3X=8
(15)3x+9=27
3x+9-9=27-9
3x=18
3x÷3=18÷3
3x=6
(16)18(x-2)=27018x-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+2x2x+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
x
÷5+9-9=21-9
3x+
3x=
x
÷5=12
3x
÷3=÷3
x
÷5×5=12×5
X=
X=60
(25)
+8=43
(35)48-27+5x=31
+8-8=43-8
5x+21-21=31-21
=35
5x=10
÷=35÷
5x
÷5=10÷5
X=70
X=2
(26)
6x-3x=18
(36)
+x+21=56
3x=18
x+
x=
3x
÷3=18÷3
(37)
x+2x+18=78
X=6
3x+18-18=78-18
(27)
7+x)=
3x=60
7x+=
3x
÷3=60÷3
7x+
7x=42
X=20
7x
÷7=42÷7
(38)
(200-x)
÷5=30
X=6
(200-x)
÷5×5=30×5
200-x=150
(28)
÷x=
200-x+x=150+x
x=
÷
150+x=200
X=
X+150-150=200-150
X=50
(29)=
÷=÷
(39)
(x-140)÷70=4
X=
(x-140)
÷70×70=4×70
X-140=280
(30)
x
÷=90
X-140+140=280+140
x÷×=90×
X=420
X=
(40)20-9x=2
(31)
(x+6)=
×
9x=20-2
+=
9x=18
+
=
9x
÷9=18÷9
÷=÷
X=2
X=
(41)
x+=
(32)
X+
X=6
24
÷x=4
x=24
÷4
(42)
=
X=6
÷=÷
(33)
9x-40=5
X=6
9x-40+40=5+40
9x=45
(43)=
9x
÷9=45÷9
+x=+x
X=5
+x=
(34)
x
÷5+9=21
X=
X=6
(44)÷x=
x÷
x
÷=2
X=
÷
x
÷×=2×
X=6
X=3
(53)×6=
(45)5x+=
×6+×6=+×6
5x+
5x=
4x=
5x
÷5=÷5
4x
÷4=÷4
X=
X=
(46)5(x+8)=102
(54)
6x+=
5x+40=102
6x+
6x=3
5x+40-40=102-40
6x
÷6=3÷6
5x=62
X=
5x
÷5=62÷5
X=
(55)150×2+3x=690
(47)x+3x+10=70
3x+300=690
4x+10=70
3x+300-300=690-300
4x+10-10=70-10
3x=390
4x=60
3x
÷3=390÷3
4x
÷4=60÷4
X=130
X=15
(56)2x-20=4
(48)3(x+3)=50-x+3
2x-20+20=4+20
3x+9=53-x
2x=24
3x+x+9-9=53-x+x-9
2x
÷2=24÷2
4x=44
X=12
4x
÷4=44÷4
X=11
(57)3x+6=18
3x+6-6=18-6
(49)5x+15=60
3x=12
5x+15-15=60-15
3x÷3=12÷3
5x=45
X=4
5x÷5=45÷5
(58)2+x)=
X=9
+2x=
(50)=2
2x+
2x=
+5x=2+5x
2x
÷2=÷2
5x+2=
X=
5x+2-2=
(59)(x-3)÷2=
5x=
(x-3)÷2×2=×2
5x
÷5=÷5
X-3=15
X=
X=18
(51)×7+4x=
4x+=
(60)+9x=
4x+
4x=
=
4x
÷4=÷4
÷=÷
X=
X=
(52)x÷
(61)3x=x+100
3x-x=x-x+100
X=
2x=100
(71)2(x-3)=
2x÷2=100÷2
2x-6=
X=50
2x-6+6=+6
(62)x+=
2x=
X=
X=
2x
÷2=÷2
(63)6x+18=48
X=
6x+18-18=48-18
(72)65x+7=137
6x=30
65x+7-7=137-7
6x
÷6=30÷6
65x=130
x=5
65x÷65=130÷65
(64)3(x+=
X=2
3x+=
(73)9x+4
×=91
3x=
3x=
9x+10=91
3x
÷3=÷3
9x+10-10=91-10
X=
9x=81
(65)12x-9x=
9x
÷9=81÷9
3x=
X=9
3x
÷3=÷3
X=
(74)x+=134
(66)13(x+5)=169
=134
13x+65=169
÷=134÷
13x+65-65=169-65
X=20
13x=104
(75)+=51
13x÷13=104÷13
17x=51
X=8
17x
÷17=51÷17
(67)2x-97=
X=3
2x-97+97=+97
(76)89x-43x=
2x=
46x=
2x
÷2=÷2
46x÷46=÷46
X=
X=
(68)=
(77)
5x-45=100
+48=+48
5x-45+45=100+45
=
5x=145
÷=÷
5x÷5=145÷5
X=22
X=29
(69)42x+25x=134
(78)
67x=134
=
67x÷67=134÷67
÷=÷
X=2
X=9
(70)(x+=
(79)
=2x
+=
2x÷2=÷2
=
=
X=
÷=÷
(80)
4x-x=
3x=
X=5
3x
÷3=÷3
(92)95-5x=80
X=
95-5x+5x=80+5x
(81)=28
5x+80=95
=28
5x+80-80=95-80
÷=28÷
5x=15
X=8
X=3
(82)=
(93)+6x=54
X=+
6x=
X=
6x=
(83)5X-2X=18
6x
÷6=÷6
3x=18
X=
3x
÷3=18÷3
(94)
-=
X=6
=+
(84)3X+=7
=67
3x+
3x=
÷=67÷
3x
÷3=÷3
X=10
X=
(95)9
+4x=53
(85)
×2=+x
4x=53-9
+x=7
4x=44
X=
4x÷4=44÷4
X=
X=11
(86)26
×=2x+10
(96)2x+8=16
2x+10=39
2x=16-8
2x+10-10=39-10
2x=8
2x=29
2x
÷2=8÷2
2x
÷2=29÷2
X=4
X=
(97)20x-14x=24
(87)
×16―16×=4x
6x=24
4x=
6x
÷6=24÷6
4x
÷4=÷4
X=4
X=
(98)x+7x=8
(88)13
-X=
8x=8
X=
X=
X=1
(89)
÷X=0.3
(99)9x-3x=6
X=
÷
6x=6
X=63
X=1
(90)23x=14x
+27
(100)6x-8=4
23x-14x=14x-14x+27
6x-8+8=4+8
9x=27
6x=12
9x
÷9=27÷9
X=2
X=3
(101)5x+x=9
(91)x
+14x=75
6x=9
15x=75
6x
÷6=9÷6
15x
÷15=75÷15
x=
(102)8x-8=6x
8x-8+8=6x+8
8x-6x=6x-6x+82x=8
2x÷2=8÷2X=4
(103)4x=20
5
4x÷4=20÷4
555
X=25
(104)2x-6=12
2x-6+6=12+62x=18
2x÷2=18÷2X=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+66x=6X=1
(107)5x+6=11
5x+6-6=11-65x=5
X=1
(108)2x-8=10
2x-8+8=10+82x=18X=9
(109)=4+8=4+8
=12
÷=12÷
X=
(110)x-
3=7
4
X-3+3=7+3
444
X=
(111)3x+7=28
3x+7-7=28-7
3x÷3=21÷3
X=7
(112)3x-7=26
3x-7+7=26+73x=33
3x÷3=33÷3
X=11
(113)9x-x=168x=16
8x÷8=16÷8
X=2
(114)24x+x=50
25x=50
25x÷25=50÷25X=2
(115)=4
+8=4+8
=12
÷=12÷
X=10
(116)3x-8=31
3x-8+8=31+83x=39
3x÷3=39÷3X=13
(117)6x+6=126x+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=42x=4
2x÷2=4÷2
X=2
(120)2x+16=192x+16-16=19-16
2x=3
2x÷2=3÷2X=
(121)5x+8=195x+8-8=19-8
3x=21
5x=11
10x=11
5x
÷5=11÷5
10x÷10=11÷10
X=
X=
(122)
14-6x=8
(132)2x+9=17
14-6x+6x=8+6x
2x+9-9=17-9
6x+8-8=14-8
2x=8
6x=6
2x÷2=8÷2
X=1
X=4
(123)
15+6x=27
(133)
8-4x=6
6x+15-15=27-15
8-4x+4x=6+4x
6x=12
4x+6-6=8-6
6x
÷6=12÷6
4x=2
X=2
4x
÷2=2÷4
(124)
5-8x=4
X=
5-8x+8x=4+8x
(134)6x-7=28
8x+4-4=5-4
6x-7+7=28+7
8x=1
6x=36
8x
÷8=1÷8
6x÷6=36÷6
X=
X=6
(125)
7x+8=15
7x+8-8=15-8
(135)7x-9=20
7x=7
7x-9+9=8+20
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