Question

3) Efetue:
a) (+1/2x) + (-1/3x) =
b) ( -2/5x) + (-2/3x) =
c) (-7/2y) + (+1/4y) =
d) (+2m) +( -3/4m) =
e) (+2/3x) - ( -3/2x) =
f) (-3/4y) – (+1/2y) =
g) (+2/5m) – (+2/3m) =
h) (-3x) –(2/5x) =

Answer 1

Explicação passo-a-passo:

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