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Combinatorics 011 — Number walls, forwards and back

CombinatoricsPracticeMed-Easy

Your answer

a)

left middle

right middle

top

b)

right middle

middle base

right base

Enter only the number. Use a point or comma for decimals.

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Combinatorics 026 — ZAP 2024, Exercise 9: Number wallCombinatorics 028 — ZAP 2023, Exercise 7: Arithmetic squares
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