Question

Insert Parentheses to make the equality true. 1+2x3+4x5=29

Answer 1

((1+2)x3) + (4x5) = 29

Explanation:

Since 4x5 = 20 and 3x3 = 9, and 9 + 20 = 29, we put parenthesis around 1+2,

we get,

((1+2)x3) + (4x5) = 29

This is true because,

(3x3) + (4x5) = 29

(9) + (20) = 29

29 = 29