作业帮数学化简计算:(x+y)^2/xy-(x-y)^2/xy
来源：学生作业帮助网 编辑：作业帮 时间：2024/11/28 05:41:53
xN@ TF1!)IJVjL2eWp#b7(K>4;1ԏFMaԥ]WTpE* yY5 GjRMLeqaem}Q(PUjUv*<|-
> %Kg . G z֟>b} 'a4h/Ѭ Gyꀛ@l>qŮ{v%1N5 IE~թv]=#g,
D
0&\J, իͿ
R
数学化简计算:(x+y)^2/xy-(x-y)^2/xy
数学化简计算:(x+y)^2/xy-(x-y)^2/xy
数学化简计算:(x+y)^2/xy-(x-y)^2/xy
(x+y)^2/xy-(x-y)^2/xy
=【(x+y)^2-(x-y)^2】/xy
=（x²+y²+2xy-x²-y²+2xy）/xy
=4xy/xy
=4
很高兴为您解答,【学习宝典】团队为您答题.
请点击下面的【选为满意回答】按钮,
如果有其他需要帮助的题目,您可以求助我.
(x+y)²/xy-(x-y)²/xy
=[(x+y)²-(x-y)²]/xy
=(x+y+x-y)(x+y-x+y)/xy
=2x*2y/xy
=4