Question

60 ÷ {2 · [-7 + 18 ÷ (-3 + 12)]} – [7 · (-3) – 18 ÷ (-2) + 1] =​

Answer 1

60 ÷ {2 × [-7 + 18 ÷ (-3 + 12)]} - [7 × (-3) - 18 ÷ (-2) + 1]

60 ÷ {2 {-7 + 18 ÷ 9]} - [-21 + 9 + 1]

60 ÷ {2 {-7 + 2]} - [-11]

60 ÷ {2 × [-5]} + 11

60 ÷ {-10} + 11

-6 + 11

5