Question

27
10º) Resolva as expressões abaixo:,
a) 20 - (14.6+23) =
b) (24–3.4): 2+52 : 5=
c) 102:53+59 22 – 23 =
d) 62 +2. [23+2.(32.13)] - 25.50=​

Answer 1

Resposta: (passo a passo)

a) 20-(14.6+23)=

20-(84+23)=

20-107=

-87

b) (24-3.4):2+52:5=

(24-12):2+52:5=

12:2+52:5=

6+52:5=

6+10,4=

16,4

c) 102:53+59.22-23=

1,924+59.22-23=

1,924+1298-23=

1299,924-23=

1276,924

d) 62+2.[23+2.(32.13)]-25.50=

62+2.[23+2.416]-25.50=

62+2.[23+832]-25.50=

62+2.855-25.50=

62+1710-25.50=

62+1710-1250=

1772-1250=

522