(15m+? )^2=225m^2+12n^3m+0,16n^6 найдите ? - вопрос №152225212301669902254 от gores7master 13.04.2021 07:06

Question

Алгебра: (15m+? )^2=225m^2+12n^3m+0,16n^6 найдите ?

gores7master · Answer

(a+b)²=a²+2×a×b+b².(15m+?)²=225m²+2×15m×?+0,16n^6=(15m+0,4n³)2×15m×?=12n³m30m×?=12n³m?=(12n³m)/30m?=12n³/30?=0,4n³?²=(0,16n^6)=(0,4n³)²?=0,4n³...

(15m+? )^2=225m^2+12n^3m+0,16n^6 найдите "? "