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选择合理的方法计算:12×(23+16)37×536710×516÷2132512×725×314(78+

题目详情
选择合理的方法计算:
12×(
2
3
+
1
6
37×
5
36
7
10
×
5
16
÷
21
32
5
12
×
7
25
×
3
14
7
8
+
13
16
)÷
13
16
7
13
×
3
4
+
3
4
×
6
13
▼优质解答
答案和解析
(1)12×(
2
3
+
1
6
),
=12×
2
3
+12×
1
6

=8+2,
=10;

(2)37×
5
36

=(36+1)×
5
36

=36×
5
36
+1×
5
36

=5+
5
36

=5
5
36


(3)
7
10
×
5
16
÷
21
32

=
7
32
×
32
21

=
1
3


(4)
5
12
×
7
25
×
3
14

=
7
60
×
3
14

=
1
40


(5)(
7
8
+
13
16
)÷
13
16

=
7
8
×
16
13
+
13
16
×
16
13

=
14
13
+1,
=2
1
13


(6)
7
13
×
3
4
+
3
4
×
6
13

=(
7
13
+
6
13
)×
3
4

=1×
3
4

=
3
4