Find out how to count your way out of a death-trap, why multiplication can stop a hairy green spot epidemic, and meet the barmy pure mathematicians who spent years proving 5 + 0 = 5. Meanwhile, Chainsaw Charlie, Halfsmile and their gang discover that even the simplest maths can be murderous.
When Black Beauty is trained to carry a rider on his back, or to pull a carriage B behind him, he finds it hard at first. But he is lucky - his first home is a good one, where his owners are kind p...
Online ár:
3 150 Ft
Eredeti ár: 3 500 Ft