】分式计算:【(3x+1)/3x】-【(2y-1)/2y】
问题描述:
】分式计算:【(3x+1)/3x】-【(2y-1)/2y】
答
[2y(3x+1)/6xy]-[3x(2y-1)/6xy]=(6xy+2y)/6xy - (6xy-3x)/6xy =(6xy+2y-6xy+3x)/6xy =(2y+3x)/6xy
】分式计算:【(3x+1)/3x】-【(2y-1)/2y】
[2y(3x+1)/6xy]-[3x(2y-1)/6xy]=(6xy+2y)/6xy - (6xy-3x)/6xy =(6xy+2y-6xy+3x)/6xy =(2y+3x)/6xy