Ответы на вопрос:
(82043 - 80928) × 7 + 6900 × 40 - 6400 ÷ (8 × 8) = 283705 82043 - 80928 = 1115 8 × 8 = 64 1115 × 7 = 7805 6900 × 40 = 276000 6400 ÷ 64 = 100 276000 + 7805 = 283805 283805 - 100 = 283705
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