填空:(x-y-z)(_________)=x^2-(y+z)^2
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填空:(x-y-z)(_________)=x^2-(y+z)^2填空:(x-y-z)(_________)=x^2-(y+z)^2填空:(x-y-z)(_________)=x^2-(y+z)^2根
填空:(x-y-z)(_________)=x^2-(y+z)^2
填空:(x-y-z)(_________)=x^2-(y+z)^2
填空:(x-y-z)(_________)=x^2-(y+z)^2
根据平方差公式 x-(y+z) = (x+y+z) (x-y-z)
(x-y-z)(x+y+z)=x^2-(y+z)^2
填空:(x-y-z)(_________)=x^2-(y+z)^2
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