1) 3a-(a+2b);2) 5x-(2y-3x);3) 3m-(5m-(2m-1m));4) - вопрос №1424533813225233352144233 от evasauteeva 31.03.2021 02:06

Question

Алгебра: 1) 3a-(a+2b);2) 5x-(2y-3x);3) 3m-(5m-(2m-1m));4) 4a+(2a-(3a+3)).​

evasauteeva · Answer

1. 3a-a-2b=2a-2b2. 5х-(2у-3х)=5х-2у+3х=8х-2у3. 3m-(5m-(2m-1))=3m-(5m-2m+1)=3m-5m+2m-1=-14.4а+(2а-(3а+2))=4а+(2а -3а +2)=4а -а+2=3а +2...

1) 3a-(a+2b);2) 5x-(2y-3x);3) 3m-(5m-(2m-1m));4) 4a+(2a-(3a+3)).​