问题 解答题
1
6
+
2
3
=
2-
2
11
=
6
11
÷
2
33
=
1÷
1
4
-
1
4
-1=
4.5÷4.5÷
1
2
=
7
12
×2.4=
0.4+
1
4
=
5
9
-
1
6
)×18=
答案

1
6
+
2
3
=
5
6
2-
2
11
=
20
11
6
11
÷
2
33
=9
1÷
1
4
-
1
4
-1=2
3
4
4.5÷4.5÷
1
2
=2
7
12
×2.4=1.4
0.4+
1
4
=0.65
5
9
-
1
6
)×18=7

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