六年级分数乘法分配律练习题及详解答案
中单-排名前十的小说
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 5
12
×6 +
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
×7+×5 21×+×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 (-)×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
6
-
5 18
9
)×
5
=
5
18
6
×
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
1
=17
=2
9
15 3 6 7 5 3
(
24
-
8
)×
15
24×(
24
+
6
+
4
)
15
6 3 6 7 5 3
=
24
×
15
-
8
×
15
=24×
24
+24×
6
+24×
4
=
1 3
4
-
20
=
1
10
(48+
8 1
3
)×
24
(
=48×
1 8 1
24
+
3
×
24
=2+
1
9
=2
1
9
(
5 5
6
-
9
)×18
=
5
×18-
5
6 9
×18
=15-10
=5
4 3
+
17
17
×(
4
2
)
=
4
×
3 4
17
17 4
+
17
×
2
=7+20+18
=45
7
20
-
1
5
)×20
=
7
20
×20-
1
5
×20
=7-4
=3
(
1 3
5
+
7
)×35
=
1 3
5
×35+
7
×35
=7+15
=22
48×(
11
+
1 5
24 6
+
12
)
=48×
11 1
5
24
+48×
6
+48×
12
3
=
17
+2
=22+8+20
3
=2
17
=50
22 3 5 3 6 7 6 2
27
×
4
+
27
×
4
13
×
5
-
13
×
5
=(
22 5
3
27
+
27
)×
4
=1×
3
4
=
3
4
7 5
12
×6 +
12
×6
=(
7
+
5
12 12
)×6
=1×6
=6
4 6 3
7
×
13
+
7
×
6
13
=(
4
7
+
3 6
7
)×
13
=1×
6
13
=
6
13
=
6 7 2
13
×(
5
-
5
)
=
6
13
×1
=
6
13
3
3 7 4 3
8
×
11
+
11
×3
8
=3
3 7
8
×(
11
+
4
11
)
=3
3
8
×1
=3
3
8
16
5
×
7
13
-
3 7
5
×
13
=(
16
5
-
3
5
)×
7
13
=
13 7
5
×
13
=
7
5
2 2 3 4
×7+×5
21×+×21
3 3 7 7
=(
2 2 3 4
+)×5 =21×(+)
3 3 7 7
=1×5 =21×1
=5
63
100
×101
=
63
100
×(100+1)
=
63
100
×100+
63
100
=63+
63
100
=63
63
100
5
27
×28
=
5
27
×(27+1)
=
5
27
×27+
5
27
×1
=5+
5
27
=5
5
27
=21
6
77
×78
=
6
77
×(77+1)
=
6 6
77
×77+
77
×1
=6+
6
77
=6
6
77
37×
3
35
=(35+2)×
3
35
=35×
3 3
35
+2×
35
=3+
6
35
=3
6
35
34 6
34×
×12
35 13
34 6
=(35-1)×
=×(13-1)
35 13
34 34 6 6
=35×-1×
=×13-×1
35 35 13 13
34 6
=34-
=6-
35
=33
1
35
4
4
5
×10
25
=(4+
4
5
)×10
=4×10+
4
5
×10
=40+8
=48
3
4
5
×25
=(3+
4
5
)×25
=3×25+
4
5
×25
=75+20
=95
13
=5
7
13
3
8
×8
(25+
3
8
)×8
(25×8+
3
8
)×8
200+3
203
(
1 3
5
+
7
)×7×5
1
×7×5+
3
5 7
×7×5
=7+15
=22
=
=
=
=
=
7 1 5 5
(-)×5×12 (-)×6×18
12 5 6 9
7 1 5 5
=
12
×5×12-
5
×5×12 =
6
×6×18-
9
×6×18
=35-12
=90-60
=23 =30
7
10
×101-
7
10
12
=
7
10
×(101-1)
=
7
10
×100
=70
9
5
×19+
9
5
23
=
9
5
×(19+1)
=
9
5
×20
=36
×
6
6
13
+
13
=(12+1)×
6
13
=13×
6
13
=6
×
3 3
4
+
4
=(23+1)×
3
4
=24×
3
4
=18