问题 解答题
直接写出得数.
3
5
×
5
6
=
2+0.8=
2
5
-
2
7
=
3
5
-
1
3
)×30=
1
5
+
1
7
=
1
10
÷5=
3
8
÷
3
10
=
1
4
÷4×
1
4
=
答案

3
5
×
5
6
=
1
2
2+0.8=2.8,
2
5
-
2
7
=
4
35
3
5
-
1
3
)×30=8,
1
5
+
1
7
=
12
35
1
10
÷5=
1
50
3
8
÷
3
10
=
5
4
1
4
÷4×
1
4
=
1
16

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