计算:(根号下x+xy-根号下xy)(根号下y+y²+y)(x>0,y>0);
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计算:(根号下x+xy-根号下xy)(根号下y+y²+y)(x>0,y>0);计算:(根号下x+xy-根号下xy)(根号下y+y²+y)(x>0,y>0);计算:(根号下x+xy-
计算:(根号下x+xy-根号下xy)(根号下y+y²+y)(x>0,y>0);
计算:(根号下x+xy-根号下xy)(根号下y+y²+y)(x>0,y>0);
计算:(根号下x+xy-根号下xy)(根号下y+y²+y)(x>0,y>0);
[√(x+xy)-√(xy)][√(y+y²)+y]
=√x[√(1+y)-√y]√y[√(1+y)+√y]
=√(xy)(1+y-y)
=√(xy)
计算:根号下X(X+Y)除根号下X+Y分之XY方
计算(x根号下y-y的根号下x)/根号下xy
计算:(根号下x+xy-根号下xy)(根号下y+y²+y)(x>0,y>0);
计算:(根号下x+xy-根号下xy)(根号下y+y²+y)(x>0,y>0)
计算 (根号下x+xy-根号下xy)(根号下y+y的平方+y)(x>0 y>0) 快啊.
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