问题 解答题
直接写出得数
1÷2
3
4
=
6-1
2
7
=
0.381+2.219=21÷0.7=
4
7
×
28
11
=
1
6
+
1
7
=
35×40%=
3
8
+
3
4
)×8=
答案

1÷2
3
4
=
4
11
6-1
2
7
=4
5
7
0.381+2.219=2.6,21÷0.7=30,
4
7
×
28
11
=
16
11
1
6
+
1
7
=
13
42
35×40%=14,
3
8
+
3
4
)×8=9.
故答案为:
4
11
,4
5
7
,2.6,30,
16
11
13
42
,14,9.

解答题
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