问题 解答题
直接写出得数.
12×
2
3
=
5
6
÷
5
3
=
28
75
=
1
8
-
1
9
=
12×(
1
3
×
1
3
)=
5
8
×
4
5
=
7
16
÷
1
8
=
20÷
5
9
=
1
6
+
1
2
=
2
3
×90×
5
6
=
答案

12×
2
3
=8;
5
6
÷
5
3
=
1
2
28
75
=0;
1
8
-
1
9
=
1
72
12×(
1
3
×
1
3
)=
4
3
5
8
×
4
5
=
1
2
7
16
÷
1
8
=
7
2
20÷
5
9
=36;
1
6
+
1
2
=
2
3
2
3
×90×
5
6
=50.
故答案为:8,
1
2
,0,
1
72
4
3
1
2
7
2
,36,
2
3
,50.

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