October 2022 1 9 Report
.. 7 Oblicz. Pamiętaj, że suma liczb przeciwnych jest równa 0.
a) -3+7+ (-2) + 3+ (-7)
b) -253 + (-179) + 179 + (-111) + 253
c) (-12) + (-6) + 18 + 13 + (−27) + (-13)
Plus I pomóc an jutro

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