Question

-20÷{-6+[(-2)×(-3)÷(+2)]-2}

Answer 1

-20 ÷ { - 6 + [ 6 ÷ 2 ] -2 }
-20 ÷ { -6 + 3 -2}
-20 ÷ (-5)
4

Answer 2

-20÷{-6+[(-2)×(-3)÷(+2)]-2}
-20÷{-6+[6÷2]-2}
-20÷{-6+3-2}
-20÷{-3-2}
-20÷{-5}
4