问题 解答题
直接写出下面各题的得数.
23×52=

100-50
3
4
=
7
1
5
÷6=
1
3
4
×
4
7
=
1
4
-
1
5
=
1÷3
1
2
=
5
3
10
×7
3
4
+5
3
10
×2.25
=
20
4
5
×
1
4
=
1
1
3
×9+9×
2
3
=
答案

23×52=200

100-50

3
4
=49
1
4
7
1
5
÷6=1
1
5
1
3
4
×
4
7
=1
1
4
-
1
5
=
1
20
1÷3
1
2
=
2
7
5
3
10
×7
3
4
+5
3
10
×2.25
=53
20
4
5
×
1
4
=5
1
5
1
1
3
×9+9×
2
3
=18

单项选择题
单项选择题 A2型题