若|x+2|+|y-3|=0,则x2+y2=________
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若|x+2|+|y-3|=0,则x2+y2=________.
解题思路: 根据题意,由绝对值的知识可求
解题过程:
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最终答案:略
解题过程:
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最终答案:略
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