(完整版)六年级分数乘法分配律练习题及详解答案
列维夫-大学生女兵
分数乘法分配律练习题
7
1
1
8
(
-
)
×
60
(
+
)
×
18
12
5
(
5
5
18
6
-
9
)
×
5
(
8
+
4
9
27
)
×
27
90
(
3
+
2
5
25
)
×
25
(
15
3
×
6
24
-
8
)
15
6
9
(
1
1
10
+
5
)
×
5
×
(
2
7
18
+
30
)
1
2
6
×
(12
+
3
)
24
×
(
7
5
3
24
+
6
+
4
)
7
1
8
1
(48
+
3
)
×
24
(
-
)
×
20
20
5
5
5
1
3
(
6
-
9
)
×
18
(
5
+
7
)
×
35
4
×
(
3
17
17
4
+
2
)
22
27
×
3
4
+
5
27
×
3
4
7
6
+
5
12
×
12
×
6
48
×
(
11
1
5
24
+
6
+
12
)
6
7
6
2
13
×
5
-
13
×
5
3
3
7
4
3
8
×
11
+
11
×
3
8
4
6
3
6
16
7
3
7
×
+
×
×
-
×
7
13
7
13
5
13
5
13
2
2
3
4
×
< br>7
+
×
5
21
×<
/p>
+
×
21
3
3
63
100
×
101
5
27
×
28
34
×
34
35
4
4
5
×
10
25
7
7
6
77
×
78
37
×
3
35
6
13
×
12
3
8
×
8
4
1
3
3
×
25
(
5
+
7
)
×
7
×
5
5
7
1
5
5
(
-
)
×
5
×
12 (
-
< br>)
×
6
×
18
12
5
7
10
×
101
-
7
10
12
9
5
×
19
+
9
5
23
6
9
×
6
6
13
+
13
×
3
3
4
+
4
详解答案
7
1
1
8
(
-
)
×
60
(
+
)
×
18
12
5
6
9
7
1
1
8
=
×
60
-
×
60
=
×
18
+
×
18
12
5
6
9
=
35
-
12
=
3
+
16
=
23
(
5
5
18
6
-
9
)
×
5
=
5
6
×
18
5
-
5
9
×
18
5
=
3
-
2
=
1
(
8
4
9
+
27
)
×
27
90
=
8
4
9
×
27
+
27
×
27
=
24
+
4
=
28
(
3
2
5
+
25
)
×
25
=
3
2
5
×
25
+
25
×
25
=
15
+
2
=
19
(
1
+
1
10
5
)
×
5
=
1
1
10
×
5
+
5
×
5
=
1
2
+
1
=
1
1
2
×
(
2
7
18
+
30
)
=
90
×
2
7
18
+
90
×
30
=
10
+
21
=
31
1
2
6
×
(12
+
3
)
=
1
1
2
6
×
12
+
6
×
3
=
2
+
1
9