问题 解答题
看谁口算得又对又快
4
11
÷4=
14×
1
8
=
5
9
÷
2
3
=
4
23
÷
2
23
=
4-
1
5
=
1
2
+
1
4
)×8=
1
9
÷
1
9
=
2.8÷
4
5
=
12
13
=
40×5%=
答案

4
11
÷4=
1
11
14×
1
8
=
7
4
5
9
÷
2
3
=
5
6
4
23
÷
2
23
=2,
4-
1
5
=3
4
5
1
2
+
1
4
)×8=6.
1
9
÷
1
9
=81,
2.8÷
4
5
=3.5,
12
13
=0,
40×5%=2.

单项选择题
单项选择题