Question

Efetue as operações:
a) 2x + 3x =
b) 6y - 4y + 5y =
c) 8xy - 4xy + 4xy - 8xy =
d) (-n). (+6n) =
e) (-6x2). (+3x²) =
f) (-2y). (5y) =
g) (+15x8) : (-3x2) =
h) (-8x) : (-8x) =
i) (-14x3): (+2x2) =​

Answer 1

Resposta:

a) 5x

b) 7y

c) 0

d)-6n^2

e) -48x^2

f) -10y^2

g)-20

h) 1

i) -10.5