Question

1 1/5{2 1/3-(5+2-3)}-3 1/2​

Answer 1

$11 \div 5(21 \div 3 - 4) - 31 \div 2$

$= 11 \div 5(7 - 4) - 31 \div 2 \\ = 11 \div 5 \times 3 - 31 \div 2 \\ = 33 \div 5 - 31 \\ =$

=33-155/5

=-122/5