问题 解答题
直接写出得数.
2-
2
5
=
3
16
=
3
7
×4÷
3
7
×4
=
15÷
5
7
=
1.24+7.64=
2
9
×
3
4
=
1
2
+
3
4
=
4.5+
1
10
-4.5+
1
10
=
100÷10%=10+0.01=
答案

2-
2
5
=
8
5
3
16
=
3
2
3
7
×4÷
3
7
×4
=16,
15÷
5
7
=21,
1.24+7.64=8.88,
2
9
×
3
4
=
1
6
1
2
+
3
4
=
5
4
4.5+
1
10
-4.5+
1
10
=
1
5
100÷10%=1000,10+0.01=10.01.

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