这条算式的答案是甚么?(a-4)^2+[3/4(a-4)]^2

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这条算式的答案是甚么?(a-4)^2+[3/4(a-4)]^2这条算式的答案是甚么?(a-4)^2+[3/4(a-4)]^2这条算式的答案是甚么?(a-4)^2+[3/4(a-4)]^2(a-4)^2

这条算式的答案是甚么?(a-4)^2+[3/4(a-4)]^2
这条算式的答案是甚么?
(a-4)^2+[3/4(a-4)]^2

这条算式的答案是甚么?(a-4)^2+[3/4(a-4)]^2
(a-4)^2+[3/4(a-4)]^2=25/16(a-4)^2=(5a/4-5)^2