问题 解答题
直接写出得数.
300-298=0.75÷1.5=8+
4
5
=
1÷0.25×4=
1
9
÷
2
3
=
1
2
-
1
5
=
5
7
×
14
15
=
15×(
1
3
-
1
5
)=
答案

300-298=2,0.75÷1.5=0.5,8+
4
5
=8
4
5
1÷0.25×4=16,
1
9
÷
2
3
=
1
6
1
2
-
1
5
=
3
10
5
7
×
14
15
=
2
3
15×(
1
3
-
1
5
)=2.

问答题 简答题
单项选择题