Question

calcule as seguintes expressões:
a) 3x + 2,7x
b) 1,74 -4y
c)x-0, 5x
d)0,5m² -m²​​

Answer 1

Resposta:

a) 5,7x

b)

c) 0,5x

d) - 0.5m²​​

a) 3x + 2,7x = 5,7x

b) 1,74 - 4y = ?

c) x-0,5x = 1x - 0,5x = 0,5x

d) 0,5m² -m²​​ = -0,5m²