六年级解方程和解比例.docx六年级解方程及解比例练****题( 150 题)
x:10= 1 : 1
4 3
: 1 = 1 :x
5 4
:=x:
2 =6: 24
325
:=x:
X+25%X=90
X
-7 X=
9
X
- 7X=
3
4
2
3
2X+ 5=
5
25%+10X= 4
5
5X-3× 5 = 5
21 7
1 3
X
4 8
X+ 7 X=3
8 4
X= 25
5 72
4x-3 ×9 = 29
1
x 20
4
2 1 3
5 X- 3 X=10
X= 4
21 15
X=25
72
1
4
70%X + 20%X =
X
× 3=20× 1
5
4
X-15%X=68
X
+ 3 X=121
8
2X÷1=12
6X
+5 =
3
4
3X=
3
X
÷2= 7
8
7
16
4X
-6× 2 =2
12
÷X=3
3
5
10
8 X =
1×16
X
÷ 6 =26× 13
9
6
51
35
45
25
1 x + 1 x = 4
3 X-21× 2 =4
2
6
10
3
2( x
)
8
6X
+ 5 =
4
χ- 6=38
5X=
15
19
X
÷ 4=15
2X÷1=12
5
28
3
4
8X=1 ×16
X
÷ 6 =26÷13
9
6
51
35
45
25
X =30%
4+=102
4
2 X+1 X=42
X+
1 X=105
X-
3 X=400
3
2
4
8
36
3
3
=8
X
=
4
X+
7 X=18
1
3
13
x
-= 5
x
×2+1=4×3
X×( + )=
12
6
8
6
3
2
8
X- 3 X=12
5 X -×5=8
3
3
×5- x =
5
7
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