A. ((4 × 5) – 15) ÷ (2 + 22 – 1) =
((4 × 5) – 15) ÷ (2 + 22 – 1) =

B. 4 × (– 3 + (42 – 13)) + 8 ÷ (6 + 2) =
4 × (– 3 + (42 – 13)) + 8 ÷ (6 + 2) =

A 4 5 15 2 22 1 4 5 15 2 22 1 B 4 3 42 13 8 6 2 4 3 42 13 8 6 2 class=