一个真分数与它的倒数和是5.2,这个真分数是多少
人气:415 ℃ 时间:2019-09-21 22:11:15
解答
一个真分数与它的倒数和是5.2,这个真分数是五分之一因为0.2=1/5而1/5的倒数是55+0.2=5.2
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