August 2021 1 13 Report

упростите выражение и подчеркните его числовой коэффициент

а) -а*(-7)

б) b*(-4m)

в) 3ab*2

г) -mn* (-5)

д) 2а*( -3b)

е) 3/4а* 1/3с

ж) -2/3 m* 3/8n

з) 10/7k* 7/5 л

и) 4\5 а(-3/8b) * 5/9 с

к) 3/7 m * 7/9n*6k

 

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