x+1/4x=9/16,可知x不等于0
兩邊同時(shí)乘以16x得
16x^2+4=9x
即16x^2-9x+4=0
Δ=9*9-4*4*16
X十1/4X=9/16怎么解
X十1/4X=9/16怎么解
數(shù)學(xué)人氣：895 ℃時(shí)間：2020-05-20 13:42:07
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