36 = 2 × 2 × 9 and add the age of all 3 together 13.
36 = 4 × 9 × 1 and add the age of all 3 together 14.
36 = 4 × 3 × 3 and add the age of 3 together 10.
36 = 18 × 2 × 1 and add the age of 3 together 21.
36 = 12 × 3 × 1 and add the age of 3 together 16.
36 = 6 × 6 × 1 and add the age of 3 together 13.
36 = 36 × 1 × 1 and add the age of all 3 together 38.
We see two answers that are satisfactory, by 2 + 2 + 9 = 13 and 6 + 6 + 1 = 13. Assuming the lesson is added "The oldest child with blonde hair" was originally considered "invisible" use "but now useful to help us get the final answer.This hypothesis shows that there is only one oldest child, not two.Go back up to find the most suitable expression.So the final answer will be the oldest child at 9 years old and the other 2 children at 2 years old.
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