问题 填空题
3÷5=3:______=
18
()
=______÷40=______%
答案

3÷5=3:(5);

3÷5=

3
5
=
3×6
5×6
=
18
(30)

3÷5=

3
5
=
3×8
5×8
=
(24)
40
=(24)÷40;

3÷5=0.6=60%,

故答案为:5;30;24;60.

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