问题 解答题
直接写得数.
5
6
×12
=
4
15
÷
2
5
=
1÷40%=
5
6
-
1
2
=
2-
7
4
=
72×25%=
(
3
4
+
5
6
)×24
=
答案

5
6
×12=10,
4
15
÷
2
5
=
2
3
1÷40%=
5
2
5
6
-
1
2
=
1
3
2-
7
4
=
1
4
72×25%=18,
(
3
4
+
5
6
)×24
=38.

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