问题 解答题
直接写得数.
3
5
×40=
11
25
×
5
22
=
5
9
+
1
7
=
1
9
×
2
5
=
7
12
×
4
21
=
18×
1
6
1
4
×
1
5
=
99
100
×0×
25
9
=
1
5
+
1
4
×
4
5
=
答案

3
5
×40=24
11
25
×
5
22
=
1
10
5
9
+
1
7
=
44
63
1
9
×
2
5
=
2
45
7
12
×
4
21
=
1
9
18×
1
6
=3
1
4
×
1
5
=
2
5
99
100
×0×
25
9
=0
1
5
+
1
4
×
4
5
=
2
5

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