问题 解答题
直接写得数
5-2
2
9
=
5
6
+
1
4
=
11
25
×
5
22
=
1.2×0.5=
3÷0.2=15×10%=
5
7
+
2
7
÷2=
1-
1
11
-
6
11
=
10-2.5÷
1
4
=
2
3
×2÷
2
3
×2=
答案

5-2
2
9
=2
7
9
5
6
+
1
4
=
13
12
11
25
×
5
22
=
1
10
1.2×0.5=0.6;
3÷0.2=15;15×10%=1.5;
5
7
+
2
7
÷2=
6
7
1-
1
11
-
6
11
=
4
11
10-2.5÷
1
4
=0;
2
3
×2÷
2
3
×2=4.

单项选择题
单项选择题