Используя метод Гаусса,вычислите сумму
(55+100-100•50)+(50•98-98•45)+(45•96-96•40)+(40•94-94•35)+(35•92-92•30).
А.3200
В.2400
С.2750
D.3400
(55+100-100•50)+(50•98-98•45)+(45•96-96•40)+(40•94-94•35)+(35•92-92•30).
А.3200
В.2400
С.2750
D.3400
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(55*100-50*100)+(50*98-45*98) +(45*96-40*96)+(40*94-35*94) +(35*92-30*92) =100*5+98*5+96*5+94*5+92*5 =5*(92+94+96+98+100)= 5*480=2400