Question

EXPRESSOES NÙMERICAS

1-Calcule o valor das expressoes

a) 5.5 : ( 5+ 1 - 1) + 4x 2= R=?
b) 3.3 (4 -1) + 3x 2.2 = R?
c) 70- [ 55 x (2.2 : 4) + 3.3] = R?
d) (7+4) x ( 3.3-2.2.2)= R?

EU QUERO AS CONTAS PFV!!!!

Answer 1

a)5.5:(5+1-1)+4x2
5.5:(6-1)+4x2
5.5:5+4x2
25:5+8
5+8
13

b)ta faltando um sinal

c)70-[55x(2.2:4)+3.3]
70-[55x(4:4)+3.3]
70-[55x1+3.3]
70-[55+9]
70-64
6

d)(7+4)x(3.3-2.2.2)
11x(9-8)
11x1
11