问题 解答题
口算
(1)12÷
1
2
=
(2)1÷1%=(3)9.5+0.5=(4)
1
3
+
1
4
=
(5)0÷
1
5
×2=
(6)1-
11
12
=
(7)
7
8
×
5
14
=
(8)
7
12
÷
7
4
=
(9)
4
5
-
1
2
=
(10)
1
9
×
7
8
×9=
答案

(1)12÷
1
2
=24,
(2)1÷1%=100,(3)9.5+0.5=10,(4)
1
3
+
1
4
=
7
12
(5)0÷
1
5
×2=0,
(6)1-
11
12
=
1
12
(7)
7
8
×
5
14
=
5
16
(8)
7
12
÷
7
4
=
1
3
(9)
4
5
-
1
2
=
3
10
(10)
1
9
×
7
8
×9=
7
8

单项选择题
单项选择题