carolineoliveira carolineoliveira

02-12-2016
Mathematics

contestada

quantas palavras com 2 letras distintas podemos formar com as 7 primeiras letras do alfabeto

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JonathanHagen JonathanHagen

02-12-2016

No hablo mucho español, para...

solvar (solve) con 7*6.... porque son siete possible letras por la primera letra y solemente seis para LA segundo. La contesta es 42

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