Предмет: Математика, автор: baidinaevelina2007

2/3-6/7 ответь пж очень срочноооо

Ответы

Автор ответа: hellighet

0

2/3-6/7
2*7/3*7-6*3/3*7
14/21-18/21
14-18/21
-4/21

Автор ответа: Dascha15Katrin08

0

Ответ:

2/3-6/7=(7*2-3*6)/21=-4/21

Пошаговое объяснение:

Находим наименьший общий знаменатель и далее по законам математики

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