Question

2.{3+4.[20-(2+3)]-3}:15

Answer 1

2 × {3 + 4 × [20 - (2 + 3)] - 3} ÷ 15.

(2 + 3) = 5. [20 - 5] = 15.

2 × {3 + 4 × 15 - 3} ÷ 15.

{3 + 4 × 15 - 3}. 4 × 15 = 60. {3 + 60 - 3} = 60.

2 × 60 ÷ 15. 2 × 60 = 120. 120/15 = 8.

2 × {3 + 4 × [20 - (2 + 3)] - 3} ÷ 15 = 8.