Mathematics, 14.09.2021 03:50 bapehoodboi

Mia and Isak make designs using dominoes. Mia uses 6,479 dominoes in her design. Isak uses 5,928 dominoes in his design. Mia and Isak calculate the number of dominoes they use in all as shown below, but Mia makes a mistake in her addition. Describe Mia’s mistake. How many dominoes do they use in all?

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