Question

OTECL 3-5 + 3(2 -1) + 4 ÷ 2 = ​

Answer 1

$3 - 5 + 3(2 - 1) + 4 \div 2 = \\ 3 - 5 + 3 \times 1 + 2 = \\ 3 - 5 + 3 + 2 = \\ - 2 + 3 + 2 = \\ 1 + 2 = \\ 3$