Odpowiedź:
2 + 0,3 * 5/6 / -15/4 + 2/5 = 2 + 3/10 * 5/6 / -15/4 + 2/5 = 2 + 1/2 * 1/2 / -15/4 + 2/5 = 2 + 1/4 / -15/4 + 2/5 = 2/1 + 1/4 / -15/4 + 2/5 = 8/4 + 1/4 / -15/4 + 2/5 = 9/4 : -15/4 +2/5 = 9/4 * -4/15 + 2/5 = 9/1 * -1/15 + 2/5 = -9/15 + 2/5 = -9/15 + 6/15 = -15/15 = -1
Szczegółowe wyjaśnienie:
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Odpowiedź:
2 + 0,3 * 5/6 / -15/4 + 2/5 = 2 + 3/10 * 5/6 / -15/4 + 2/5 = 2 + 1/2 * 1/2 / -15/4 + 2/5 = 2 + 1/4 / -15/4 + 2/5 = 2/1 + 1/4 / -15/4 + 2/5 = 8/4 + 1/4 / -15/4 + 2/5 = 9/4 : -15/4 +2/5 = 9/4 * -4/15 + 2/5 = 9/1 * -1/15 + 2/5 = -9/15 + 2/5 = -9/15 + 6/15 = -15/15 = -1
Szczegółowe wyjaśnienie: