试题:
直接写出得数.
1
6
-
1
9
=
4
9
×0.5=
5
12
=
0.53=
3
4
×1.75×0=
1-
7
15
-
4
15
=
3
4
÷
3
4
×4=

答案:

我来补答
1
6
-
1
9
=
1
18
4
9
×0.5=
2
9
5
12
=
12
5
0.53=0.125
3
4
×1.75×0=0
1-
7
15
-
4
15
=
4
15
3
4
÷
3
4
×4=12
 
 
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