Problem. How many candies did eat?
Alex eats 13 candies, and Ana with 2 less. How many candies did the 2 children eat together?
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Exemple !
Alex eats 10 candies, and Ana with 3 less. How many candies did the 2 children eat together?
Ana → 10 - 3 = 7
10 + 7 = 17