求解这道题
解:x:y=30%:2/3
左边部分已经最简,所以只要化简右边部分
30%:2/3
=(30/100 ): (2/3)
=(3/10) : (2/3)
=(3/10) * (3/2)
=(3*3)/(10*2)
=9/20
=9:20
所以化简结果为 x:y=9:20
x:y=30%:2/3=90%:2=9:20
x:y=30%:2/3
x:y=9/30+20/30=9:20
x:y=30%:2/3
x:y=30/100:2/3
x:y=3/10:2/3
x:y=9/30:20/30
x:y=9:20
x:y=30%:2/3=3/10:2/3=9/30:20/30=9:20
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