Odpowiedź:
Szczegółowe wyjaśnienie:
a) (-0,5) + (-0,5) = -1
b) (-2) - (-1) = (-2) + 1 = -1
c) (-2) + 1 = -1
d) (-0,5) - 0,5 = -1
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Odpowiedź:
Szczegółowe wyjaśnienie:
a) (-0,5) + (-0,5) = -1
b) (-2) - (-1) = (-2) + 1 = -1
c) (-2) + 1 = -1
d) (-0,5) - 0,5 = -1