Best in 7 days
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Description
50 cosas que hay que saber sobre matemáticasTtulo: 50 cosas que hay que saber sobre matemticas Autor: Crilly, Tony Editorial: ARIEL Idioma: SPA Curso: Encuadernacin: OTRO FORMATO LIBRO Nmero de pginas: 11 Ao de edicin: 2014 ISBN: 9788434414891 Sinopsis:Quin invent el nmero cero? Por qu hay 60 segundos en un minuto? Cmo es de grande el infinito? Dnde se cruzan las lneas paralelas? Es cierto que el aleteo de una mariposa puede causar una tormenta en la otra punta del mundo? 50 cosas que hay que
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Best in 7 days
Best in 7 days
Best in 7 days
Best in 7 days
4.1 ★★★★★
Based on 1339 reviews
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Product Reviews
★★★★★ 5
Be of service
Format: Paperback
It helps me understand people and to have empathy and compassion
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Reviewed in the United States on February 21, 2026
★★★★★ 5
Price, Quality, and they work.
Wanted to try with or spending a fortune. They work, great nights sleep - used then 2x this week. I did not wake up feeling groggy like some sleep aids. Some sleep aid meds have me bizarre dreams, this did not. Great price and was hesitant but I'm impressed with The Amazon Basics line. I tried several products and feel great in a week.
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Reviewed in the United States on May 30, 2026
★★★★★ 5
Works great
The is is a good staple. Great price that cant be beat and best of all they do work!
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Reviewed in the United States on March 31, 2026
★★★★★ 5
Falling asleep faster
These have been working very well! I have noticed falling that when I take these I fall asleep much easier.
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Reviewed in the United States on May 9, 2026
★★★★★ 5
I get a great night's sleep, plus I love the low price. Great buy
I always get a great night's sleep using this brand. Will buy again. I love the low price as well
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Reviewed in the United States on May 6, 2026
