Question

5 - {8:2-[-5(3+1) + 2]:3}+1=​

Answer 1

$5 - 18 = 2 - ( - 5(3 + 1) + 2) \div 3$

$- 13 = 2 - ( - 5(3 + 1) + 2) \div 3$

$- 13 = 2 - ( - 5 \times 4 + 2) \div 3$

$- 13 = 2 - ( - 20 + 2) \div 3$

$- 13 = 2 - ( - 18) \div 3$

$- 13 = 2 + 18 \div 3$

$- 13 = 2 + 6$

$- 13 = 8$