人气:130 ℃ 时间:2020-01-30 01:06:59
解答
(1)60:42,
=60÷42,
=
,
(2)4.8:7.5,
=4.8÷7.5,
=
,
(3)
:
,
=
÷,
=
,
(4)3.5:
8,
=3.5÷
8,
=3.5
÷,
=
.
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