直接寫得數(shù)
2
3
÷
4
15
=
2
27
=
9
10
×
3
5
=
3÷8= 15÷
9
25
=
1
7
=
1
7
÷
1
2
=
3
8
-
1
3
=
3
22
×11
=
7
8
÷
3
16
=
5
7
÷
10
12
=
1
2
+
3
5
=
2
3
÷
4
15
=
5
2
,
2
27
=
27
2
,
9
10
×
3
5
=
27
50
,
3÷8=
3
8
,
15÷
9
25
=
125
3
,
1
7
=56,
1
7
÷
1
2
=
2
7
3
8
-
1
3
=
1
24
,
3
22
×11
=
3
2
7
8
÷
3
16
=
14
3
,
5
7
÷
10
12
=
6
7
,
1
2
+
3
5
=
11
10
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