(2y² + 8y – 11) + (3y² – 6y + 3) = 5y² + 2y – 8
(2y² + 8y – 11) – (3y² – 6y + 3) = –y² + 14y – 14
Ответ:
1) 10y³ - 11 = -1y³ ?
2) -3y³ + 3 = y³ ?
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(2y² + 8y – 11) + (3y² – 6y + 3) = 5y² + 2y – 8
(2y² + 8y – 11) – (3y² – 6y + 3) = –y² + 14y – 14
Ответ:
1) 10y³ - 11 = -1y³ ?
2) -3y³ + 3 = y³ ?