化简下列数成最简分数.(1)0.2% (2)30% (3)15% (4)11.17%
人气:317 ℃ 时间:2020-06-20 06:08:22
解答
(1)0.2% =2/1000=1/500
(2)30% =3/10
(3)15% =3/20
(4)11.17%=1117/10000
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