问题 解答题
口算.
3
8
÷
5
8
=
4
5
÷
4
5
=
3
11
×
3
16
=
11
13
÷44
=
4
7
÷
1
2
=
5
6
÷
2
3
=
1
2
+
1
3
-
1
3
+
1
2
=
3
4
×
2
3
÷
3
4
×
2
3
=
答案

3
8
÷
5
8
=
3
5
4
5
÷
4
5
=1
3
11
×
3
16
=
9
176
11
13
÷44
=
1
52
4
7
÷
1
2
=
8
7
5
6
÷
2
3
=
5
4
1
2
+
1
3
-
1
3
+
1
2
=1
3
4
×
2
3
÷
3
4
×
2
3
=
4
9

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