Предмет: Математика, автор: 123456а1

упрастите выражение: 1)53t+27+21t 2)12c25 3)25x+30y+12xy+5x+3y 4)12a+7в-4а+5в решите срочно

Ответы

Автор ответа: millery

0

1) 53t+21t+27=74t+21
2)12*c*25=300*c
3) 25x+30y+12xy+5x+3y=30x+33y+12xy
4) 12a+7в-4а+5в=8а+12в
подобные слагаемые

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