问题 解答题
直接写得数快又对:
2
3
+
1
2
)×12=
14.5+9.5=
1
2
-
1
3
=
7
8
×
2
5
×
4
7
=
0×8÷
1
4
=
1-
2
7
=
1
9
÷
2
3
=
1.25×
3
5
×8=
答案

2
3
+
1
2
)×12=14,14.5+9.5=24,
1
2
-
1
3
=
1
6
7
8
×
2
5
×
4
7
=
1
5

0×8÷

1
4
=0,1-
2
7
=
5
7
1
9
÷
2
3
=
1
6
,1.25×
3
5
×8=6.

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