(a-b)(_________)=a³-b³化简
问题描述:
(a-b)(_________)=a³-b³化简
化成最简形式,最好每一步都写出来.
答
(a-b)(__ a²+ab+b²_______)=a³-b³
(a-b)(_________)=a³-b³化简
化成最简形式,最好每一步都写出来.
(a-b)(__ a²+ab+b²_______)=a³-b³