题目内容

直接写得数.
2
×
7
=
7
1b
=
1
-
1
6
=
0
1b
÷
4
=
2
4
-
1
0
=
2
4
=
1
2
+
1
7
=
10
三4
×b=
6
=
4
÷8=
5
×
5
7
=
7
7
10
=1
3
7
1
5
-
1
=
1
30
9
10
÷
3
5
=1
1
3
-
1
9
=
5
9
3
=1手
1
+
1
7
=
9
1图
19
53
×0=0
手×
5
=1
3
5
÷8=
1
10
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