I Used to Know That: Maths

€15,99
2 in stock

Chris Waring

192 psl.

2014 m.

Minkštas viršelis

Barcode: 9781782432555

Brush up on your mental arithmetic, including percentages, averages and recurring decimals or work on your trigonometry skills, from Pythagoras' Theorem to triangle areas and angles. I Used To Know That: Maths is a fun and accessible way to re-visit all those useful tips and maths tricks that you have forgotten from your school days.

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