问题 解答题
直接写出得数
1
2
-
1
5
=
(
2
3
+
1
2
)×12
=
5
4
×8+8×
1
4
=
1
9
÷
2
3
=
5
8
÷
2
3
=
26×
3
13
=
(
2
3
+
1
2
)×12
=
1
3
+
1
2
=
答案

1
2
-
1
5
=
3
10
(
2
3
+
1
2
)×12
=14,
5
4
×8+8×
1
4
=12,
1
9
÷
2
3
=
1
6
5
8
÷
2
3
=
15
16
26×
3
13
=6,
(
2
3
+
1
2
)×12
=14,
1
3
+
1
2
=
5
6

单项选择题
单项选择题 A1型题