[中學] 多項式~完全平方的速解法!?
多項式~完全平方項~的速解法!!
老師有提到十秒內~可以解出來~次方n=10也可以...
顯然是用推導的~而非用背公式再套用.....
小弟資質駑鈍~無法參透...有人知道嗎!?
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