完整版六年级分数乘法分配律练习题及详解答案docx.docx
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完整版六年级分数乘法分配律练习题及详解答案docx
分数乘法分配律练习题
7
1
1
8
(12-5
)×60
(
6
+9
)×18
5
5
18
1
1
(6
-9
)×5
(
10
+
5)×5
8
4
2
7
(9
+
27)×27
90
×(18
+
30)
3
2
1
×(12
2
(5
+
25)×25
6
+3
)
15
3
6
7
5
3
(24
-
8)×15
24×(24
+
6
+
4)
8
1
(
7
1
)×20
(48+
3)×
24
20
-5
5
5
1
3
(
6
-
9)×18
(
5
+
7)×35
4
×(
3
17
11
1
5
17
4
+
2)
48×(24
+
6
+
12)
22
×
3
+
5
×
3
6
×
7
-
6
×
2
27
4
27
4
13
5
13
5
7
×6
+
5
×6
3
3
×
7
+
4
×3
3
12
12
8
11
11
8
4
6
3
6
16
7
3
7
7
×13+7
×13
5
×13-5
×13
2
2
3
4
3
×7+3
×5
21×7
+7
×21
63
6
100×101
77×78
5
3
27×28
37×35
34
6
34×35
13×12
4
3
45
×10
25
8
×8
3
4
×25
(
1
+
3
××
5
5
7)
75
7
1
5
5
(12-5
)×5×12
(
6
-9
)×6×18
7
7
6
6
10
×101-10
12
×13
+13
9
9
3
3
5
×19+5
23
×
4
+
4
详解答案
7
1
1
8
(12-5
)×60
(
6+9
)×18
7
1
1
8
=12×60-5×60
=6×18+9
×18
=35-12
=3+16
=23
=19
5
5
18
1
1
(6-9)×5
(10
+
5)×5
5
18
5
18
1
×5+
1
×5
=6
×5
-9
×5
=
10
5
1
=3-2
=
2+1
1
=1
=12
8
4
2
7
(9
+
27)×27
90
×(18
+
30)
8
4
2
7
=
9×27+
27
×27
=90×
18
+90×
30
=24+4
=10+21
=28
=31
3
2
1
2
(5+
25)×25
6×(12+3
)
3
2
1
1
2
=
5×25+
25
×25
=
6×12+
6
×3
=15+2
=2+
1
9
=17
=2
1
9
15
3
6
7
5
3
(24
-
8)×15
24×(24+
6
+
4)
=15×
6-3×6
=×7
+24×5+24×3
24
15
8
15
24
24
6
4
=
1-
3
=7+20+18
4
20
=
1
=45
10
81
(48+3)×24
18
=48×24+3×
1
=2+9
1
=29
5
5
(6
-
9)×18
5
5
=
6×18-
9
×18
=15-10
=5
4
3
17
17
×(4+
2)
4
3
4
=
17
×
4+17×
1
24
17
2
(
7
1
)×20
20
-5
71
=20×20-5×20
=7-4
=3
1
3
(5+
7)×35
1
3
=
5×35+7
×35
=7+15
=22
11
1
5
48×(24+
6
+
12)
11
1
5
=48×24
+48×
6+48×
12
3
=17+2
=22+8+20
=2
3
=50
17
22
3
5
3
6
7
6
2
27
×4
+
27
×
4
13×
5
-
13
×
5
22
5
3
6
7
2
=(27
+27)×
4
=
13×(
5
-5)
=1×
3
=
6
×1
4
13
=
3
=
6
4
13
7
5
3
7
4
3
12
×6+
12
×6
38
×
11+
11
×3
8
7
5
3
7
4
=(
12
+
12)×6
=38
×(11+11
)
3
=1×6
=38
×1
3
=6
=38
4
6
3
6
16
7
3
7
7×13
+7
×13
5
×13
-5
×13
4
3
6
16
3
7
=(7
+7
)×13
=(5
-5
)×13
6
13
7
=1×13
=5
×13
6
7
=13
=5
2
2
3
4
3×7+3×5
21×7
+7
×21
2
2
3
4
=(3
+3
)×5
=21×(7+7
)
=1×5
=21×1
=5
=21
63
×101
6
×78
100
77
63
×(100+1)
6
×(77+1)
=100
=77
63
63
6
6
=100
×100+100
=77
×77+77
63
6
=63+100
=6+77
63
6
=63100
=677
5
3
27
×28
37×35
5
3
=27
×(27+1)
=(35+2)×35
5
5
3
=27
×27+27×1
=35×35
+2×
5
6
=5+27
=3+35
5
6
=527
=335
×1
3
35
34×
34
6
×12
35
13
34
6
=(35-1)×35
=13
×(13-1)
34
34
6
6
=35×
35
-1×35
=13
×13-13×1
34
6
=34-
35
=6-13
1
7
=3335
=513
4
3
45×10
25
8×8
4
3
=(4+5)×10
=(25
+8)×8
4
3
=4×10+5×10
=(25
×8+8)×8
=40+8
=200+3
=48
=203
34×25
(1+
3
××
5
5
7)
7
5
4
1
3
=(3+5)×25
=
5×7×5+
7
×7×5
4
=3×25+5×25
=7+15
=75+20
=22
=95
7
1
5
5
(12-5
)×5×12
(
6
-9
)×6×18
=
7
×5×12-
1
×5×12
=
5
×6×18-
5
×6×18
12
5
6
9
=35-12
=90-60
=23
=30
7
10
7
=10
7
=10
=70
9
5
9
=5
9
=5
7
6
6
×101-10
12
×13
+13
6
×(101-1)
=(12+1)×13
6
×100
=13×13
=6
9
3
3
×19+5
23
×
4
+
4
×(19+1)
=(23+1)×
3
4
×20
=24×
3
4
=36=18