问题 解答题
398+276=0.14÷0.7=8181÷81=1-37.5%=19×
3
5
÷19×
3
5
=
1
9
+
1
6
=
8
8
17
÷4
=
3.5×6.02=9.9-0.99=7
8
9
-1
1
5
-
4
5
=
答案

(1)398+276=674,(2)0.14÷0.7=0.2,(3)8181÷81=101,(4)1-37.5%=0.625,(5)19×
3
5
÷19×
3
5
=
9
25
(6)
1
9
+
1
6
=
5
18
(7)8
8
17
÷4
=2
2
17
(8)3.5×6.02=21.07,(9)9.9-0.99=8.91,(10)7
8
9
-1
1
5
-
4
5
=5
8
9

单项选择题 A1型题
单项选择题