L'opération Manquante (Addition & Soustraction) - One atta Time

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Determine which letter best represents the missing fact from the fact family.

8 + 37 = 45

37 + 8 = 45

45 - 8 = 37

45 - 37 = 37 9 + 37 = 46 37 + 45 = 8 45 - 37 = 8

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