Math Problem Statement
Katrine har laget et regneark for å finne antall kuler i de ulike pyramidetallene ved å først telle kuler i hvert lag, og så summere.
Hvilken formel skal stå i celle C4?
Svar:
Solution
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Math Problem Analysis
Mathematical Concepts
Arithmetic Sequences
Summation
Formulas
Sum of an Arithmetic Sequence
Theorems
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Suitable Grade Level
Grades 7-9
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