五年级解方程练习题180题及答案Word格式文档下载.docx
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五年级解方程练习题180题及答案Word格式文档下载.docx
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0.4
(32)(27.5-3.5)÷
x=4
(33)9x-40=5
(34)x÷
5+9=21
(35)48-27+5x=31
(36)10.5+x+21=56
(37)x+2x+18=78
(38)(200-x)÷
5=30
(39)(x-140)÷
70=4
(40)20-9x=2
(41)x+19.8=25.8
(42)5.6x=33.6
(43)9.8-x=3.8
(44)75.6÷
x=12.6
(45)5x+12.5=32.3
(46)5(x+8)=102
(47)x+3x+10=70
(48)3(x+3)=50-x+3
(49)5x+15=60
(50)3.5-5x=2
(51)0.3×
7+4x=12.5
(52)x÷
1.5-1.25=0.75
(53)4x-1.3×
6=2.6
(54)6x+12.8=15.8
(55)150×
2+3x=690
(56)2x-20=4
(57)3x+6=18
(58)2(2.8+x)=10.4
(59)(x-3)÷
2=7.5
(60)13.2x+9x=33.3
(61)3x=x+100
(62)x+4.8=7.2
(63)6x+18=48
(64)3(x+2.1)=10.5
(65)12x-9x=8.7
(66)13(x+5)=169
(67)2x-97=34.2
(68)3.4x-48=26.8
(69)42x+25x=134
(70)1.5(x+1.6)=3.6
(71)2(x-3)=5.8
(72)65x+7=137
(73)9x+4×
2.5=91
(74)4.2x+2.5x=134
(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
(103)x=20
(104)2x-6=12
(105)7x+7=14
(106)6x-6=0
(107)5x+6=11
(108)2x-8=10
(109)2.5x-8=4
(110)x-=7
(111)3x+7=28
(112)3x-7=26
(113)9x-x=16
(114)24x+x=50
(115)1.2x-8=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)X-5.7=2.15
(148)5X-2X=18
(149)3X+0.5=5
(150)3.5×
2=4x
(151)26×
1.5=2x
(152)0.5×
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÷
(182)(300-x)÷
(183)91÷
x=1.3
(184)41-3x=17
五年级解方程180题答案
0.5+2x=4.9
0.5+2x-0.5=4.9-0.5
2x=4.4
2x÷
2=4.4÷
2
X=2.2
2x+2x+1=9.8
4x+1-1=9.8-1
4x=8.8
4x÷
4=8.8÷
4
25000+x-x=6x-x
5x=25000
5x÷
5=25000÷
5
X=5000
6x+440=3200
6x+450-450=3200-440
6x=2760
6x÷
6=2760÷
6
X=460
0.2x=6
0.2x÷
0.2=6÷
0.2
X=30
(6)12x-8x=4.8
4x=4.8
4=4.8÷
X=1.2
(7)7.5+2X=15
2x+7.5-7.5=15-7.5
2x=7.5
2=7.5÷
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
0.3x=3.6
0.3x÷
0.3=3.6÷
0.3
X=12
91÷
x×
x=1.3×
x
1.3x=91
1.3x÷
1.3=91÷
1.3
X=70
X+8.3-8.3=10.7-8.3
X=2.4
(13)15x=3
15x÷
15=3÷
15
X=0.2
3x-8+8=16+8
3x=24
3x÷
3=24÷
3
X=8
3x+9-9=27-9
3x=18
3=18÷
3x=6
18x-36=270
18x-36+36=270+36
18x=306
18x÷
18=306÷
18
X=17
12x+4x=300-4x+4x
16x=300
16x÷
16=300÷
16
X=18.75
7x+5.3-5.3=7.4-5.3
7x=2.1
7x÷
7=2.1÷
7
X=0.3
5×
5=4.8×
(20)30÷
x+25=85
30÷
x+25-25=85-25
x=60
x=60×
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
2x=5.2
2=5.2÷
X=2.6
(22)6x-12.8×
3=0.06
6x-38.4=0.06
6x=38.46
6=38.46÷
X=6.41
(23)4
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