1.若方程x/x-5=4-(m/5-x)有增根x=5,则m=?2.解方程1-x/x-2=(1/2-x)-2Jack does his homework _______ Lucy.A.as careful as B.so careful asC.as carefully as D.more carefully than请都说出过程或为什么1.若方程x/(x-5)=4-[m/(5-x)]有增根x=
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