已知|x+y-4|+(x-y-10)2=0,则xy=______.
题型:填空题难度:一般来源:不详
已知|x+y-4|+(x-y-10)2=0,则xy=______. |
答案
举一反三
计算:(a2b)3=______; (-2×103)3=______; (-2xy2)3=______. |
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