Предмет: Математика, автор: malayaelizavet

(5 5/21 - 5 2/7):(-4/21)
помогите пожалуйста, срочно надо!
заранее спасибо!!!

Ответы

Автор ответа: НиколаевичПервый
1
(5 5/21-5 2/7):(-4/21)=(5 5/21-5 6/21):(-4/21)=(-1/21):(-4/21)=1/4
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