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你想怎么算就怎么算38×19+19×5812÷(57-16)(57-314÷34)×41558×67×415.

题目详情
你想怎么算就怎么算
3
8
×19+19×
5
8

12÷(
5
7
-
1
6

5
7
-
3
14
÷
3
4
)×
4
15

5
8
×
6
7
×
4
15
▼优质解答
答案和解析
(1)
3
8
×19+19×
5
8

=(
3
8
+
5
8
)×19
=1×19
=19;

(2)12÷(
5
7
-
1
6

=12÷
23
42

=
504
23


(3)(
5
7
-
3
14
÷
3
4
)×
4
15

=(
5
7
-
2
7
)×
4
15

=
3
7
×
4
15

=
4
35


(4)
5
8
×
6
7
×
4
15

=
5
8
×
4
15
×
6
7

=
1
6
×
6
7

=
1
7