试题:
直接写得数.
3
4
×16=
12÷
3
5
=
0.3×
5
6
=
3
5
÷
9
10
=
7
8
=
5
7
×
2
3
÷
5
7
=
1
2
×
1
3
÷
1
2
×
1
3
=
7
12
+
1
8
=

答案:

我来补答
3
4
×16=12                 12÷
3
5
=20             0.3×
5
6
=
1
4

   
3
5
÷
9
10
=
2
3
                 1÷
7
8
=1
1
7
            
5
7
×
2
3
÷
5
7
=
2
3

   
1
2
×
1
3
÷
1
2
×
1
3
=
1
9
          0×
7
12
+
1
8
=
1
8
 
 
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