Question

Calcule o valor das expressões numéricas.
B) (7+2)×(3-1=
C) (4+2×5)-3=
D)[(4+16×2)×5-10]
E) {10+[5×(4+2×5)-8]×2-100=

Answer 1

 Olá, bom dia!

B)$(7+2).(3-1)$
$9.2$
$18$

C)$(4+2.5)-3$
$(4+10)-3$
$14-3$
$11$

D)$(4+16.2).5-10$
$(4+32).5-10$
$36.5-10$
$180-10$
$170$

E)$10(5(4+2.5)-8).2-100$
$10+(5(4+10)-8).2-100$
$10+(5.14-8).2-100$
$10+(70-8).2-100$
$10+62.2-100$
$10+124-100$
$34$

Espero ter ajudado.