Kód: 17193208
100 pyramid maths puzzles, idea for developing your addition skills. The rules are simple: Fill the pyramid so that every square contains a number. The value of each square in the number pyramid is the sum of the two squares dire ... celý popis
Nákupom získate 23 bodov
100 pyramid maths puzzles, idea for developing your addition skills. The rules are simple: Fill the pyramid so that every square contains a number. The value of each square in the number pyramid is the sum of the two squares directly under it. Ever
9.19 €
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