问题 解答题
直接写得数
(1)0.36+0.4=
(2)12.5×32×2.5=
(3)1÷0.9=
(4)8×(12+0.5)=
(5)9-
5
9
+
4
9
=
(6)
5
8
÷
8
5
=
(7)
1
3
-
1
4
=
(8)1÷
2
3
=
(9)5
1
8
+0.8=
(10)6+6-
9
2
=
答案

(1)0.36+0.4=0.76,

(2)12.5×32×2.5=1000,

(3)1÷0.9=

10
9

(4)8×(12+0.5)=100,

(5)9-

5
9
+
4
9
=8
8
9

(6)

5
8
÷
8
5
=
25
64

(7)

1
3
-
1
4
=
1
12

(8)1÷

2
3
=
3
2

(9)5

1
8
+0.8=5.925,

(10)6+6-

9
2
=7.5.

单项选择题
单项选择题