(b+1)^2(c+2)^2 (c+1)^2(b+2)^2

请输入您的数学问题…… (b+1)^2(c+2)^2-(c+1)^2(b+2)^2

问题

(b + 1)^{2} (c + 2)^{2} - (c + 1)^{2} (b + 2)^{2}

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