问题 解答题
口算
①127+38=1÷7+
6
7
=
5
6
+
3
4
=
1
4
÷25%×
1
8
=
(0.18+
9
10
)÷0.9
=
9
2
5
-(3
3
7
+0.4)
=.
答案

①127+38=165,②1÷7+

6
7
=1,③
5
6
+
3
4
=1
7
12

1
4
÷25%×
1
8
=
1
8
,⑤(0.18+
9
10
)÷0.9
=1.2,⑥9
2
5
-(3
3
7
+0.4)
=5
4
7

单项选择题
问答题 简答题