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(5/7+55/77+555/777):5/7-111/500:(1/5+1/50+1/500)

Răspuns :

Renatemambouko
(5/7+55/77+555/777):5/7-111/500:(1/5+1/50+1/500) =
=(5/7+5/7+5/7):5/7-111/500:(100+10+1)/500
=3-111/500:111/500 =
=3-1=2

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