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Description
El significado del signo igual, Vol. 1Este primer volumen nos muestra que el paso de una concepcin operacional del signo igual, en la aritmtica, a uno de tipo relacional se constituye en el primer peldao para la comprensin del lenguaje algebraico. Junto a ello el autor nos propone una serie de actividades comentadas que servirn de gua y reflexin metodolgica para el docente. Ficha Tcnica ISBN: 9789560002396 N de Pginas: 66 Formato: 14x21 cms Peso: 93 gramos Ao de publicacin: 2011 Palabras
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Best in 7 days
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Best in 7 days
4.8 ★★★★★
Based on 426 reviews
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Product Reviews
★★★★★ 5
Holder
Size: 7.7" x 7.7" x 1.7", Color: Black (Metal Silvered)
It’s great for my keys and wallet and other stuff I use it every day
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 30, 2025
★★★★★ 5
Very nice leather catch all
Size: 7.7" x 7.7" x 1.7", Color: Black (Metal Glided)
Lovely tray. High quality.
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Reviewed in the United States on December 10, 2025
★★★★★ 5
Easy to travel
Color: Black
Purchased for travel. Fits my bracelets, watch and my phone. Plenty of room, easy to fold flat to put on my suitcase.
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Reviewed in the United States on May 29, 2026
★★★★★ 4
Nice tray
Color: Black
We use the tray on our end tables for pen, paper, clippers etc.
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Reviewed in the United States on May 4, 2026
★★★★★ 5
Great Tray
Color: Black
Very nice. A little larger than expected, but turns out like the size!
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Reviewed in the United States on April 29, 2026
