admin百科知識 2022-02-13 7:59:24 2(x+100)=(1-25%)y2(x 100)=(1-25%)y網友廻答：匿名網友2(x 100)=3y/4 => y=8(x 100)/3=> x=t ;y=8(t 100)/3 ;t任意實數 db標簽 生活常識_百科知識_各類知識大全»2(x+100)=(1-25%)y
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