Mathematics
Senior High
こうなる理由が分からないです🙇🏻♀️💦
(2) a6-28a³b³ +2766=(a³)²-28a³b³+27(6³) ²
AN
=(a³-b³)(a³-276³)
= (a−b)(a² + ab + b²)(a − 3b)(a²+3ab+96²)
=(a - b)(a-3b)(a²+ab+b²)(a²+3ab+96²)
1.3
9) (4-2
2
16
*=18-81
10-18) 6
=
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