试题:
33
44
=
()
()
=
()
()
=
()
()
=
()
()
=
()
()
=
()
()

答案:

我来补答
33
44
=
3
4
=
6
8
=
9
12
=
15
20
=
18
24
=
21
28


故答案为:
3
4
6
8
9
12
15
20
18
24
21
28
 
 
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