2019六年级下册数学计算能力练习题集——解方程
-
数学计算能力练习题集——解方程
1
4
2
1
5
8.3
-
7X
=
10.2
×
p>
:
X
=
6
:
0.75
х
-
х
=
<
/p>
3
5
3
4
9
1
2
X
0.3
х
(
1
-
15%
)
34
0.5
︰
X=
︰
=
2
3
4
p>
2.5
3
0.75
7
1
1
4.2
︰
X=56
︰
140
=
X
︰
1
=
︰
X
p>
10
9
20
3
p>
0.7
3.5
︰
7
X=
32X+88=3480 204-X+76=196
105
X-
(
135-9
8
)
=25
18.7-
χ
=7.8
3×0.5+6
χ
=3.3
4
(
0.9+X
)
p>
=4.8 0.4
×
20
- 0.4X=6 1.6X
–
9=3.8
1.2X
–
0.6+3.4=5.2 3
×
0.7
+
4 x=6.5
3.6 x
-
x=3.25
2
+
1.8
-
5
ⅹ
=3.6
2
ⅹ÷
2.3=4.5
6
ⅹ+
4
ⅹ-
11=2.9
7(
ⅹ-
1.2)=2.1 x
< br>÷
0.26
=
0.52
9x
-
2x
=
21.7 3.18
×
2
p>
-
2x
=
4.26
0.25x
+
3.75
=
12
X
-
0
.
84X=0.8
5×3.1-
2 X=4.5
9
x
-
3=
x
÷
+
=
p>
5
6
< br>1
5
4
5
3
2
1
1
1
5
x
+
x
p>
=
÷
x
×
=
3
6
2
7
3
14
3
8
3
3
1
3
X
p>
1
-
X
=
X
-
X =
1.25
:
0.25 =
4
5
4
8
< br>1.6
3
1
1
< br>2
:
=
x:
2
1.2x
-
x<
/p>
=
2
0.4
×(
12
-
X
)=
1.2
5
6
5
10
6
.
8
1
.
7
7
1
5
3
6
9
=
x
x
p>
x
:
p>
:
x
4
12
6
6
4
5
7