September 2018 2 22 Report
Una urna contiene 2 bolas azules y 4 blancas, si se puede extraer 2 bolas a la vez. de cuantas maneras se puede extraer solo bolas blancas.

Life Enjoy

" Life is not a problem to be solved but a reality to be experienced! "

Get in touch

Social

© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.