Предмет: Математика, автор: cygankovadasa014

2 1/2 • 1 2/5• 1 2/7 •1 2/9 • 1 2/11+ 1/2

Приложения:

Ответы

Автор ответа: VaiyntinaPlay
1

Ответ:

2 1/2 • 1 2/5• 1 2/7 •1 2/9 • 1 2/11+ 1/2 =5/2*7/5*9/2*11/9*13/11+1/2=13/2+1/2=14/2=7

Пошаговое объяснение:

Автор ответа: darhmak
0

Ответ:

7

Пошаговое объяснение:

(5х7х9х11х13)/(2х5х7х9х11) +1/2

= 13/2 + 1/2 = 14/2 = 7

при переводе всех правильных дробей в неправильную , нужно все перевести в одну и перемножить числа , тем самым идут сокращения

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