化简下列数成最简分数.(1)0.2% (2)30% (3)15% (4)11.17%

问题描述:

化简下列数成最简分数.(1)0.2% (2)30% (3)15% (4)11.17%

(1)0.2% =2/1000=1/500
(2)30% =3/10
(3)15% =3/20
(4)11.17%=1117/10000