2X-9/17=8/17
X=0.5
一个数的2倍比九分之十七的倒数多十七分之八,这个数是多少?（方程解）
一个数的2倍比九分之十七的倒数多十七分之八,这个数是多少?（方程解）
数学人气：654 ℃时间：2019-08-20 16:51:57
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