Пошаговое объяснение:
40 * 8 * 2221 * 125 = (40 * 2221) * (8 * 125) = 88840 * 1000 = 88 840 000
6389 - (1189 + 1153) = (6389 - 1189) - 1153 = 5200 - 1153 = 4047
(5876 + 3942) - 1876 = (5876 - 1876) + 3942 = 4000 + 3942 = 7942
4127 + (3877 - 1127) = (4127 - 1127) + 3877 = 3000 + 3877 = 6877
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Пошаговое объяснение:
40 * 8 * 2221 * 125 = (40 * 2221) * (8 * 125) = 88840 * 1000 = 88 840 000
6389 - (1189 + 1153) = (6389 - 1189) - 1153 = 5200 - 1153 = 4047
(5876 + 3942) - 1876 = (5876 - 1876) + 3942 = 4000 + 3942 = 7942
4127 + (3877 - 1127) = (4127 - 1127) + 3877 = 3000 + 3877 = 6877