若x-2的绝对值+（y+3）的2次方=0 问X+Y等于多少
x\u51cfy\u7684\u7edd\u5bf9\u503c\u7b49\u4e8ey\u51cfx,x\u7684\u7edd\u5bf9\u503c\u7b49\u4e8e3,y\u7684\u7edd\u5bf9\u503c\u7b49\u4e8e4,\u6c42x\u52a0y\u7684\u548c\u76843\u6b21\u65b9\u2235x\u51cfy\u7684\u7edd\u5bf9\u503c\u7b49\u4e8ey\u51cfx
\u2234x-y<0,x<y
\u53c8\u2235x\u7684\u7edd\u5bf9\u503c\u7b49\u4e8e3,y\u7684\u7edd\u5bf9\u503c\u7b49\u4e8e4
\u2234x=3,y=4\u6216x=-3,y=4
\u2234(x+y)^3=(3+4)^3=343\u6216=(-3+4)^3=1
\u82e5(x-2)\u7684\u5e73\u65b9+Y\uff0b3\u7684\u7edd\u5bf9\u503c\u7b49\u4e8e0
\u5219\uff0cx-2=0 y+3=0
x=2
y=-3
\u5219y\u7684X\u6b21\u65b9
=(-3)^2
=9
x=2 y=-3,所以x+y=-1
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绛旓細涓嶆纭紝鍥犱负鍙x 鍜y鐨勭粷瀵瑰锛屾墍浠ヤ笉鍙互鐩存帴璁ゅ畾x=2锛寉=3锛岃鍒嗙被璁ㄨ 锛1锛夊綋x=2鏃讹紝鏃犺y涓哄灏戯紝锛坸-2锛墆=0 锛2锛夊綋x=-2锛寉=3鏃讹紝锛坸-2锛墆=-12 褰搙=-2锛寉=-3鏃讹紝锛坸-2锛墆=12
