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(-3) * (-12) = 36 (dwa pomnożone minusy dają plus)
B. Iloraz - dzielenie.
(-920) : (-10) = 92 (dwa podzielone minusy dają plus)
połowa tego ilorazu:
92 : 2 = 46
E. Suma liczb:
Różnica:
Iloczyn: (-17) * (-16) = 272
H,
(-6) * (-9+2) = (-6) * (-7) = 42
I.
(-2) : (-42) = 2/42 = 1/21
Odwrotność: 1/(1/21) = 21
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