五年级解方程练习题180题及答案课件文档格式.docx
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(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)0.3×
7+4x=12.5
2
(63)6x+18=48
(52)x÷
1.5-1.25=0.75
(64)3(x+2.1)=10.5
(53)4x-1.3×
6=2.6
(65)12x-9x=8.7
(54)6x+12.8=15.8
(66)13(x+5)=169
(55)150×
2+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+4×
2.5=91
(62)x+4.8=7.2
(74)4.2x+2.5x=134
3
(75)10.5x+6.5x=51(87)0.5×
16―16×
0.2=4x
(76)89x-43x=9.2(88)139.25-X=0.403
(77)5x-45=100(89)18.9÷
X=0.3
(78)1.2x-0.5x=6.3(90)23x=14x+27
(79)23.4=2x(91)x+14x=75
(80)4x-x=48.6(92)95-5x=80
(81)4.5x-x=28(93)1.8+6x=54
(82)X-5.7=2.15(94)6.7x-60.3=6.7
(83)5X-2X=18(95)9+4x=53
(84)3X+0.7=7(96)2x+8=16
(85)3.5×
2=4.2+x(97)20x-14x=24
(86)26×
1.5=2x+10(98)x+7x=8
4
(110)x-
=7
(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
(103)
5
x=20
(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
(122)14-6x=8(134)6x-7=28
(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-21=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
6
(157)180-6x=54
(146)7x-12=9
(158)9+4x=40
(147)X-5.7=2.15
(159)0.2x-0.4+0.5=3.7
(148)5X-2X=18
(160)9.4x-0.4x=16.2
(149)3X+0.5=5
(161)92-4x=20
(150)3.5×
2=4x
(162)7x÷
6=1.4
(151)26×
1.5=2x
(163)16x+34x=1
(152)0.5×
0.1=4x
(164)18x-14x=12
(153)9.26-X=0.402
(165)3x-42÷
14=15
(154)36.9÷
X=0.3
(166)12+4x=56
(155)X÷
0.5=2.6
(156)93-5x=80(167)22-14x=12
7
(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)4×
8+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÷
(184)41-3x=17
(176)X-0.8X=6
8
五年级解方程180题答案
X=68
2(9)x+5.6=9.4
0.5+2x=4.9
X+5.6-5.6=9.4-5.6
0.5+2x-0.5=4.9-0.5
2x=4.4
X=3.8
2x÷
2=4.4÷
2(10)x-0.7x=3.6
X=2.2
0.3x=3.6
(2)2(X+X+0.5)=9.80.3x÷
0.3=3.6÷
0.3
2x+2x+1=9.8X=12
4x+1-1=9.8-1
x=1.34x=8.8
91÷
x×
x=1.3×
x4x÷
4=8.8÷
4
1.3x=91
1.3x÷
1.3=91÷
1.3
(3)25000+x=6x
X=70
25000+x-x=6x-x(12)X+8.3=10.7
5x=25000
X+8.3-8.3=10.7-8.3
5x÷
5=25000÷
5
X=2.4
X=5000
(13)15x=3
(4)3200=440+5X+X15x÷
15=3÷
15
6x+440=3200X=0.2
6x+450-450=3200-440
6x=2760
(14)3x-8=166x÷
6=2760÷
6
3x-8+8=16+8
X=4603x=24
(5)X-0.8X=63x÷
3=24÷
3
0.2x=6X=8
0.2x÷
0.2=6÷
0.2
(15)3x+9=27X=30
3x+9-9=27-9
(6)12x-8x=4.83x=18
4x=4.8
3x÷
3=18÷
34x÷
4=4.8÷
3x=6X=1.2
(16)18(x-2)=270
(7)7.5+2X=1518x-36=270
2x+7.5-7.5=15-7.518x-36+36=270+36
2x=7.5
18x=3062x÷
2=7.5÷
2
18x÷
18=306÷
18
X=3.75X=17
(8)1.2x=81.6
(17)12x=300-4x
1.2x÷
1.2=81.6÷
1.2
12x+4x=300-4x+4x
9
16x=3003x÷
3=19.5÷
16x÷
16=300÷
16X=6.5
X=18.75(25)0.5x+8=43
(18)7x+5.3=7.40.5x+8-8=43-8
7x+5.3-5.3=7.4-5.30.5x=35
7x=2.10.5x÷
0.5=35÷
0.5
7x÷
7=2.1÷
7X=70
X=0.3(26)6x-3x=18
(19)3x÷
5=4.83x=18
5×
5=4.8×
53x÷
3x=24X=6
3(27)7(6.5+x)=87.5
X=87x+45.5=87.5
(20)30÷
x+25=857x+45.5-45.5=87.5-45.5
30÷
x+25-25=85-257x=42
x=607x÷
7=42÷
7
x=60×
xX=6
30=60x
60x÷
60=30÷
60(28)0.273÷
x=0.35
X=0.5x=0.273÷
0.35
(21)1.4×
8-2x=6X=0.78
11.2-2x+2x=6+2x
11.2=6+2x(29)1.8x=0.972
2x+6-6=11.2-61.8x÷
1.8=0.972÷
1.8
2x=5.2X=0.54
2=5.2÷
X=2.6(30)x÷
0.756=90
(22)6x-12.8×
3=0.06x÷
0.756×
0.756=90×
0.756
6x-38.4=0.06X=68.04
6x=38.46(31)0.1(x+6)=3.3×
0.4
6x÷
6=38.46÷
60.1x+0.6=1.32