Предмет: Математика, автор: dianatanlabekova31

раскройте скобки и приведите подобные слагаемые

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Автор ответа: prettypushkova

= - 3,3a - 1,2b + 0,7b - 1,7a - 1,1b + 5,1a =

= (5,1a - 1,7a - 3,3a) + (0,7b - 1,2b - 1,1b) =

= 0,1a - 1,6b.

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