(X-3)的绝对值+(X-Y+1)的平方=0计算根号下(X^2y+XY^2+((Y^3)/4))=________
热心网友
|x-3|+(x-y+1)^=0因为|x-3|≥0 (x-y+1)^≥0所以只有|x-3|=0 且(x-y+1)^=0解得x=3 y=4带入原式算出结果=10
(X-3)的绝对值+(X-Y+1)的平方=0计算根号下(X^2y+XY^2+((Y^3)/4))=________
|x-3|+(x-y+1)^=0因为|x-3|≥0 (x-y+1)^≥0所以只有|x-3|=0 且(x-y+1)^=0解得x=3 y=4带入原式算出结果=10