问题 解答题
直接写出得数
1
2
+
1
3
=
3
8
÷3=
20×
1
4
=
1
25
×25×
1
13
=
2
3
÷
3
2
=
3
8
×
16
15
=
121×
1
11
=
1
4
×
1
4
=
1.25×8=
5
17
×
14
23
×0=
3
4
×1.6=
1
3
+
1
4
)×12=
答案

1
2
+
1
3
=
5
6
3
8
÷3=
1
8
20×
1
4
=5
1
25
×25×
1
13
=
1
13
2
3
÷
3
2
=
4
9
3
8
×
16
15
=0.4
121×
1
11
=11
1
4
×
1
4
=1
1.25×8=10
5
17
×
14
23
×0=0
3
4
×1.6=1.2
1
3
+
1
4
)×12=7

单项选择题 案例分析题
单项选择题 案例分析题