题目内容

口算:
20×15%=
12×
5
6
=
40÷
4
5
=
1
5
-
1
6
)×30=
6
5
6
×0=
100×1%=
5
7
÷1
2
3
=
2
3
÷
1
5
×
1
5
=
20×15%=3; 12×
5
6
=10;40÷
4
5
=50;(
1
5
-
1
6
)×30=1;
6
5
6
×0=0;100×1%=1;
5
7
÷1
2
3
=
3
7
2
3
÷
1
5
×
1
5
=
2
3

故答案为:3,10,50,1,0,1,
3
7
2
3
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