Odpowiedź:
(-2-7) • (-2+4) - (-2²-15) = -9 • 2 - 4 -15 = 18 - 19 = -1
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Odpowiedź:
(-2-7) • (-2+4) - (-2²-15) = -9 • 2 - 4 -15 = 18 - 19 = -1