六年级解方程及解比例练习题
-
六年级解方程及解比例练习题
4.2
-
4
x
=
1.8
x
=20
×
5
x
-
3
×
3
25
8
1
16
x
=
0.24
x
-
1.8=4.2
x
=
×
5
72
9<
/p>
6
51
3
5
p>
1
4
5
5
=
x
- 15%
x
= 68
7
21
2<
/p>
1
3
2
x
-
21
×
=4
x
÷
=12
3.6
x
÷
2
=
2.16
10
3
3
4
x
p>
1
x
20
4
2
(
p>
x
2
.
6
)
8
6
x
+
5 =13.4
3
x
+
5
< br>×
0.3=4.5
15
4
8
2
1
3
x
-
x
=
4
x
-
6
=
38
5
x
=
x
=
5
3
10<
/p>
19
15
21
x
÷
=
1
7
3
x
-25%
x
=10
x
+
x
=
2
8
4
4
p>
5
15
3
25
p>
1
1
3
x
=
x
+
x
= 4
x
-
x
=
12
2
6
7
p>
28
5
72
8
x
=
1
×
16
4
x
-
3
×
9 = 29
9
6
51
<
/p>
3
1
3
1
2
1
x
x
-
0.25=
4+0.7
x
=102
x
+
x
=42
4
p>
4
8
4
3
2
4
x
-
6
×
=2
2
1
3
p>
2
7
x
÷
=
12
3
x
=
x
÷
=
70%X+20%X = 3.6
3
4
< br>8
7
16
2
3
12
3
÷
x
=
9x ÷0.7=
9
8.8
+
4
x
=40
5
10
x<
/p>
+
x
=
121
25% +
10
x
=
x
-
0.8
x
=
16+6
x
-
x
-
4= 21
20 x
–
8.5= 1.5
x
+
25%
x
=90
(
x
-32)
×
5=115
+
x
=
x
-
x
=
2
x
+
2
3
2<
/p>
3
=
2
3
3
4
3
8
4
5
4
5
7
4
解比例
:
x:10=
1
:
1
4
3
0.4:x=1.2:2
1
1
p>
2
:
5
=
1
4
:x
0.8:4=x:8
1.25:0.25=x:1.6
x:
2
=6:
24
3
25
2.8:4.2=x:9.6
5
5
2
=
8
9
p>
x
4<
/p>
.
5
x
=
6
2
.
2
45:x=18:26
1
1
10
:x=
8
< br>:
1
4
2.8:4.2=x:9.6
12
2
.
4
=
3
x<
/p>
3
4
:x=3:12
36
x
=
54
3
x:24=
:
8:x=
:
3
4
1
p>
3
4
5
3
4
5
1
1
:
=x:
8
6
12
1
1
0.6
1.5
0
.6∶4=
2.4∶
x
6∶
x
=<
/p>
∶
=
5
3
p>
3
4
∶
1
4
11
4
25
2
=
x
∶
5
12
∶
5
=
36
∶
x
10∶50=
x
∶40
< br>1.3∶
x
=5.2∶20
1
3
∶
p>
1
20
=
16
p>
4.6
8
9
∶
p>
x
0.2
=
x
解方程
X
-
2
7
X=
3
4
2X +
2
3
5
=
5
70%X + 20%X = 3.6
X
×
p>
3
=20
×
1
p>
25% + 10X =
4
5
4
5
X - 15%X = 68
1
2
x
x
∶
1<
/p>
1
14
=0.7∶
2
∶3.6=6∶18
<
/p>
3
8
=
x
64
x
< br>X
+
X
=
121
5X
-
3
×
3
8
5
p>
5
2
1
=
X
÷
=
12
7
3
4
21<
/p>
3
1
3
X
3X=
3
6X
+
5 =13.4
4
4
8
8
p>
练习二
姓名:
班级:
X
÷
=
12
3
3<
/p>
25
8
1
16<
/p>
÷
X=
X =
X =
×
5
10
5
72
9
6<
/p>
51
X
÷
3
2
1
p>
X
-
21
×
=4
x
< br>x
20
2
(
x
p>
2
.
6
)
8
10
3
4
6
26
13
1
1
=
×
4
x
-
3
×
9 = 29
x
+
x
= 4
25
2
6
35
45
2
7
7
7
3
2
X
+
X=
4X<
/p>
-
6
×
=2 <
/p>
16
8
4
3
p>
2
1
3
6X
+
5
=13.4
X-
X=
4
χ
-
6
=
38
5
3
10
5X=
15
4
4<
/p>
15
8
X=
X
÷
=
19
15
5
28
2
1
2
1
3
25
8
1
16
X<
/p>
÷
=12
X=
X=
×
3
4
p>
X
÷
6
26
13
35
=
45
p>
÷
25
4+0.7X=102
X-
3
8
X=400
X-0.125X=8
X+
3
7
X=18 X
5<
/p>
72
1
4
2
X+
1
3<
/p>
2
X=42
X+
×
(
1
6
+
3
8
)=
13
12
x<
/p>
9
6
51
X
p>
4
=30%
1
4
X=105
36
3
X
=
4
-
0.3
75x=
5
6
X-0.25=