问题 解答题
直接写出得数.
1
4
×60=
12÷
3
5
=
3.14×42=(
2
3
2=
7
8
×
4
7
=
1
5
+
1
3
=
1
9
÷
1
3
=
5
4
÷
5
8
=
答案

1
4
×60=15;12÷
3
5
=20;3.14×42=50.24;(
2
3
2 =
4
9

7
8
×
4
7
=
1
2
1
5
+
1
3
=
8
15
1
9
÷
1
3
=
1
3
5
4
÷
5
8
=2.

选择题
问答题 简答题