2/9*(2,7a-4,5b)-1 1/6*(2,4a+1 1/35b), если a+b= -1. Created by Ksenluku. matematika-ru

35b), если a+b= -1...

July 2022 1 0 Report

2/9*(2,7a-4,5b)-1 1/6*(2,4a+1 1/35b), если a+b= -1

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lollylolly 2/9*(2,7a-4,5b)-1 1/6*(2,4a+1 1/35b) = 2/9*27/10a - 2/9*45/10b - 7/6*24/10a - 7/6*36/35b = 3/5a - 5/5b - 14/5a - 6/5b = -11/5a-11/5b = -11/5*(a+b)
при a+b= -1
-11/5*(-1)=11/5 =2.2

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