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calculati.3pe80ori[83pe4minus(18pe150minus11pe300minus3pe50)ori225pe7]

Răspuns :

Renatemambouko
3/80×[83/4-(18/150-11/300-3/50)×225/7] =
=3/80×[83/4-(36-11-18)/300)×225/7] =
=3/80×(83/4-7/300×225/7) =
=3/80×(83/4-3/4) =
=3/80×80/4 =
=3/4

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