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五年级解方程有哪些题
1个回答
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(1)2x+8=16
2x=16-8
x=8÷2
x=4
(2)x÷5=10
x=5×10
x=50
(3)x+7x=8
8x=8
x=8÷8
x=1
(4)9x-3x=6
6x=6
x=6÷6
x=1
(5)6x-8=4
6x=8+4
x=12÷6
x=2
(6)5x+x=9
6x=9
x=9÷6
x=1.5
(7)8x-8=6x
8x-6x=8
2x=8
x=8÷2
x=4
(8)40÷5x=20
5x=40÷20
x=2÷5
x=0.4
(9)2x-6=12
2x=6+12
2x=18
x=18÷2
x=9
(10)7x+7=14
7x=14-7
x=7÷7
x=1
(11)6x-6=0
6x=6
x=6÷6
x=1
(12)5x+6=11
5x=11-6
5x=5
x=5÷5
x=1
(13)2x-8=10
2x=8+10
x=18÷2、
x=9
(14)12x-8=4
12x=8+4
x=12÷12
x=1
(15)(x-5)÷6=7
x-5=6×7
x=42+5
x=47
(16)3x+7=28
3x=28-7
x=21÷3
x=7
(17)3x-7=26
3x=7+26
x=33÷3
x=11
(18)9x-x=16
8x=16
x=16÷8
x=2
(19)24x+x=50
25x=50
x=50÷25
x=2
(20)7x-8=20
7x=8+20
x=28÷7
x=4
(21)3x-9=30
3x=9+30
x=39÷3
x=13
(22)6x+6=12
6x=6+12
x=18÷6
x=3
(23)3x-3=12
3x=3+12
x=15÷3
x=5
(24)5x-3x=4
2x=4
x=4÷2
x=2
(25)2x+16=19
2x=19-16
x=3÷2
x=1.5
(26)5x+8=19
5x=19-8
x=11÷5
x=2.2
(27)14-6x=8
6x=14-8
6x=6
x=6÷6
x=1
(28)15+6x=27
6x=27-15
x=12÷6
x=2
(29)5-8x=4
8x=5-4
x=1÷8
x=0.125
(30)7x+8=15
7x=15-8
x=7÷7
x=1
(31)9-2x=1
2x=9-1
x=8÷2
x=4
(32)4+5x=9
5x=9-4
x=5÷5
x=1
(33)10-x=8
x=10-8
x=2
(34)8x+9=17
8x=17-9
x=8÷8
x=1
(35)9+6x=27
6x=27-9
x=18÷6
x=3
(36)x+9x=4+7
10x=11
x=11÷10.
x=1.1
(37)2x+9=17
2x=17-9
x=8÷2
x=4
(38)8-4x=6
4x=8-6
x=4÷4
x=1
(39)6x-7=11
6x=7+11
x=18÷6
x=3
(40)5x-9=8
5x=9+8
x=17÷5
x=3.4
(41)23x-14x=18
9x=18
x=18÷9
x=2
(42)x+14x=75
15x=75
x=75÷15
x=5
(43)23x=14x+18
23x-14x=18
9x=18
x=18÷9
x=2
(44)20x-12x=100
8x=100
x=100÷8
x=12.5
(45)5x-2x=30
3x=30
x=30÷3
x=10
(46)89x-43x=9.2
46x=9.2
46x=9.2÷46
x=0.2
(47)5x-45=100
5x=45+100
x=145÷5
x=29
(48)1.2x-0.5x=6.3
0.7x=6.3
x=6.3÷0.7
x=9
(49)23.4+2x=56
2x=56-23.4
x=32.6÷2
x=16.3
(50)4x-x=48.6
3x=48.6
x=48.6÷3
x=16.2
2x=16-8
x=8÷2
x=4
(2)x÷5=10
x=5×10
x=50
(3)x+7x=8
8x=8
x=8÷8
x=1
(4)9x-3x=6
6x=6
x=6÷6
x=1
(5)6x-8=4
6x=8+4
x=12÷6
x=2
(6)5x+x=9
6x=9
x=9÷6
x=1.5
(7)8x-8=6x
8x-6x=8
2x=8
x=8÷2
x=4
(8)40÷5x=20
5x=40÷20
x=2÷5
x=0.4
(9)2x-6=12
2x=6+12
2x=18
x=18÷2
x=9
(10)7x+7=14
7x=14-7
x=7÷7
x=1
(11)6x-6=0
6x=6
x=6÷6
x=1
(12)5x+6=11
5x=11-6
5x=5
x=5÷5
x=1
(13)2x-8=10
2x=8+10
x=18÷2、
x=9
(14)12x-8=4
12x=8+4
x=12÷12
x=1
(15)(x-5)÷6=7
x-5=6×7
x=42+5
x=47
(16)3x+7=28
3x=28-7
x=21÷3
x=7
(17)3x-7=26
3x=7+26
x=33÷3
x=11
(18)9x-x=16
8x=16
x=16÷8
x=2
(19)24x+x=50
25x=50
x=50÷25
x=2
(20)7x-8=20
7x=8+20
x=28÷7
x=4
(21)3x-9=30
3x=9+30
x=39÷3
x=13
(22)6x+6=12
6x=6+12
x=18÷6
x=3
(23)3x-3=12
3x=3+12
x=15÷3
x=5
(24)5x-3x=4
2x=4
x=4÷2
x=2
(25)2x+16=19
2x=19-16
x=3÷2
x=1.5
(26)5x+8=19
5x=19-8
x=11÷5
x=2.2
(27)14-6x=8
6x=14-8
6x=6
x=6÷6
x=1
(28)15+6x=27
6x=27-15
x=12÷6
x=2
(29)5-8x=4
8x=5-4
x=1÷8
x=0.125
(30)7x+8=15
7x=15-8
x=7÷7
x=1
(31)9-2x=1
2x=9-1
x=8÷2
x=4
(32)4+5x=9
5x=9-4
x=5÷5
x=1
(33)10-x=8
x=10-8
x=2
(34)8x+9=17
8x=17-9
x=8÷8
x=1
(35)9+6x=27
6x=27-9
x=18÷6
x=3
(36)x+9x=4+7
10x=11
x=11÷10.
x=1.1
(37)2x+9=17
2x=17-9
x=8÷2
x=4
(38)8-4x=6
4x=8-6
x=4÷4
x=1
(39)6x-7=11
6x=7+11
x=18÷6
x=3
(40)5x-9=8
5x=9+8
x=17÷5
x=3.4
(41)23x-14x=18
9x=18
x=18÷9
x=2
(42)x+14x=75
15x=75
x=75÷15
x=5
(43)23x=14x+18
23x-14x=18
9x=18
x=18÷9
x=2
(44)20x-12x=100
8x=100
x=100÷8
x=12.5
(45)5x-2x=30
3x=30
x=30÷3
x=10
(46)89x-43x=9.2
46x=9.2
46x=9.2÷46
x=0.2
(47)5x-45=100
5x=45+100
x=145÷5
x=29
(48)1.2x-0.5x=6.3
0.7x=6.3
x=6.3÷0.7
x=9
(49)23.4+2x=56
2x=56-23.4
x=32.6÷2
x=16.3
(50)4x-x=48.6
3x=48.6
x=48.6÷3
x=16.2
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