0=60%-15%- [(1+x)/x]×5%×100%-100/(1000×x)
这个方程怎么求解X 太久没接触数学了,都忘记了 步骤详细一点以便我贯通.
人气:198 ℃ 时间:2020-04-04 14:20:35
解答
化简:0.45-0.05*(1-X)/X-1/(10*X)=0
45-5(1-X)/X-10/X=0
45*X-5+5*X-10=0
50*X=15
X=0.3
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