Question

62+19
60 + 20 + 1 + 9
20 + 90 + 6 + 1
60 + 10 + 2 + 9

Explanation:

Step1: Break down the numbers

$62 = 60 + 2$, $19 = 10 + 9$

Step2: Rewrite the original sum

$62 + 19 = (60 + 2) + (10 + 9) = 60 + 10 + 2 + 9$

Answer:

60 + 10 + 2 + 9