Question

2 . ( - 6+4 ) - ( 9 : 3 ) + ( 5 - 2 ) . ( 2 . 1 ) - 1 qual resultado correto

Answer 1

2. (-2)-3+3.2-1
-4-3+6-1
-8+6
-2

Answer 2

2 . ( - 6 + 4 ) - ( 9 : 3 ) + ( 5 - 2 ) . ( 2 . 1 ) - 1

= 2.(-2) - (3) + 3.2 - 1

= - 4 - 3 + 6 - 1

= - 7 + 5
= - 2