问题 填空题
计算:
16
=______;
2
3
=______;
3
-
6
=______.
答案

16
=
42
=4;
2
3
=
2
3
=
2
×
3
3
×
3
=
6
3
3
×
6
=
3
×
3
×
2
=3
2

故答案为4;

6
3
;3
2

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