Odpowiedź:
a) (-15) + 9 = (-6)
b) (4.5 + 18) / 3 = 22,5 / 3
c) 4 - (-16) = 4 + 16 = 20
d) 3 + 2 = 5
e) -7 / 4
f) 2(4 + 1) - 5 = 10 - 5 = 5
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Odpowiedź:
a) (-15) + 9 = (-6)
b) (4.5 + 18) / 3 = 22,5 / 3
c) 4 - (-16) = 4 + 16 = 20
d) 3 + 2 = 5
e) -7 / 4
f) 2(4 + 1) - 5 = 10 - 5 = 5