问题 解答题
口算.
(1)7.2+2.08=
(2)
1
3
+
1
4
=
(3)
7
10
÷
1
2
=
(4)0÷0.99=
(5)32×0.125=
(6)0.75×3÷
3
4
=
(7)
1
5
+3.2÷16×4=
(8)
1
2
-
1
2
×
1
2
=
(9)0.8÷0.01=
(10)10×
1
3
-1÷3=
(11)8.4÷0.7=
(12)
2
3
×5÷
2
3
×5
(13)0.23=
答案

(1)7.2+2.08=9.28,

(2)

1
3
+
1
4
=
7
12

(3)

7
10
÷
1
2
=1
2
5

(4)0÷0.99=0,

(5)32×0.125=4,

(6)0.75×3÷

3
4
=3,

(7)

1
5
+3.2÷16×4=1,

(8)

1
2
-
1
2
×
1
2
=
1
4

(9)0.8÷0.01=80,

(10)10×

1
3
-1÷3=3,

(11)8.4÷0.7=12

(12)

2
3
×5÷
2
3
×5=25,

(13)0.23=0.008.

判断题
判断题