Question

Упростите выражения :
а ) 5x^2 y + ( - 4x^2y + 3y^2 ) + ( x^2y – 4y^2 +1 )
б ) 14a + 8b – ( a + 8b – 7 )

Answer 1

Отметьте пожалуйста лучшим решением и поставьте сердечко

Answer 2

БЕРИ:

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