Предмет: Математика, автор: hwayon69

известно что а-б=-5.Найдите значение выражения 3(б-а)​

Ответы

Автор ответа: leniviy123321
1

Ответ:

a - b = -5. b-a = (a-b)*(-1) = (-5)*(-1) = 5. 3*(b-a) = 3*5 = 15

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