小学六年级数学下册解方程专项练习题
-
小学六年级数学下册解方程专项练习题
解比例
:
六年级数学下册解方程专项练习题：
x:10=:
0.4:x=1.2:2 =
:=:x 0.8:4=x:8 :x=3:12
1.25:0.25=x:1.6 = =
x: =6: =
45:x=18:26
2.8:4.2=x:9.6 :x=:
2.8:4.2=x:9.6
x:24= : 8:x=: :=x:
0.6
∶
4=2.4
∶
x
6
∶
x=
∶
=
∶
=x
∶
∶
=
∶
x x
∶
=0.7
∶
10
∶
50=x
∶
40 1.3
∶
x=5.2
∶
20 x
∶
3.6
=6
∶
18
∶
=
∶
x
= =
解方程
X- X= 2X
+ = 70%X + 20%X = 3.6
X=20 25% + 10X =
X - 15%X = 68
X+X=121 5X-3= X=12
6X+5 =13.4 3X= X=
X+X=
4X-6=2
X= X = X =
X = 4x-3 9
= 29 x + x = 4
X-21=4 6X+5 =13.4 X-X=
4-6=38
5X= X= X= X=12 X= X= X= X-0.25=
=30%
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4+0.7X=102 X+X=42 X+X=105 X-X=400
X-0.125X=8 =
X+X=18 X( + )= x-0.375x=
x+=4 X-X=125 X-2.45=8
0.365- x = (x-
4.5) = 7 x- 25%x = 10
x- 0.8x = 16+6 20
x 8.5= 1.5 x- x -4= 21
X+25%X=90 X-X=
X- X= 2X + = 70%X + 20%X = 3.6 X=20
25%
+ 10X = X - 15%X = 68 X+X=121 5X-3= X=12 6X+5
=13.4
3X= X= X+X= 4X-6=2 X=
X = X = X =
4x-3 9 = 29 x + x = 4
X-21=4 6X+5 =13.4 X-X= 4-6=38 5X=
X= X=
X=12 X= X= X=
X-0.25= =30% 4+0.7X=102
X+X=42 X+X=105 X-X=400
X-0.125X=8 = X+X=18
X( + )=
x-0.375x= x+=4
X-X=12 5 X-2.45=8 0.365-
x =
(x- 4.5) = 7 x- 25%x = 10 X+25%X=90
x- 0.8x = 16+6 20 x 8.5= 1.5 x- x -4=
21
X-X= X- X= 2X + =
70%X +
20%X = 3.6 X=20 25% + 10X =
X - 15%X =
68 X+X=121 5X-3=
3X= X= X+X= 4X-6=2
X= X = X =
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