Question

Calcule o valor das expressões. Sempre atentar para as dicas. A) (13 + 2 ) x 3 + 5 = B) ( 7 + 2 ) x ( 3 -1 ) = C) (4 + 2 x 5 ) - 3 = D) 20 - ( 15 + 6 : 3 ) = E) 15 + [6 + ( 8 - 4 : 2 )] =

Answer 1

Resposta:

$A) (13 + 2 ) \times 3 + 5$

$15 \times 3 + 5$

$45 + 5$

$50$

$B) ( 7 + 2 ) \times ( 3 -1 )$

$9 \times2$

$18$

$C) (4 + 2 \times 5 ) - 3$

$10 + 4 - 3$

$14 - 3$

$11$

$D) 20 - ( 15 + 6 : 3 )$

$20 - 15 - 2$

$5 - 2$

$3$

$E) 15 + [6 + ( 8 - 4 : 2 )]$

$15 + 6 + 6$

$27$