试题:
直接写数对又快!
1
3
-
1
3
÷1=
0.32-0.23=
1
3
-
1
4
=
3
5
×
2
3
×15=
0.3÷1%=2.5×40%=______:
1
7
=
1
7
1322-199=

答案:

我来补答
(1)1÷
1
3
-
1
3
÷1
=2
2
3

(2)0.32-0.22=0.05,
(3)
1
3
-
1
4
=
1
12

(4)
3
5
×
2
3
×15
=6,
(5)0.3÷1%=30,
(6)2.5×40%=1,
(7)(
1
49
):
1
7
=
1
7

(8)1322-199=1123.
 
 
展开全文阅读
剩余:2000
这些题目你会做吗?