问题 解答题
直接写得数.
5
12
×
4
5
=
3
8
÷
3
2
=
(
1
3
+
1
4
)×24
=
1.8-1.8÷
9
2
=
4
5
-0.45
=
1.25×
7
9
×0.8
=
3
5
×5÷
3
5
×5
=
1
6
-
1
10
)×30=
答案

5
12
×
4
5
=
1
3
3
8
÷
3
2
=
1
4
(
1
3
+
1
4
)×24
=14;
1.8-1.8÷
9
2
=1.4;
4
5
-0.45
=0.35;
1.25×
7
9
×0.8
=
7
9
3
5
×5÷
3
5
×5
=25;
1
6
-
1
10
)×30=2.

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