Question

1 [ 21 - ( 19 - 4 ) : 3 ] x 6 - [ ( 7 + 5 ) x 2 ]=

Answer 1

Resposta:

1 [21 - (19 - 4) : 3] × 6 - [(7 + 5) × 2]

1 [21 - 15 : 3] × 6 - [12 × 2]

1 [21 - 5] × 6 - 24

1 × 16 × 6 - 24

96 - 24

72