Ответы на вопрос:
x+(x-y)*3-y = x + 3x - 3y -y = 4x - 4y = 4 * 4139 - 4 * 2028 = 16556 - 8112 =8444 a*b+c*(a-b) =ab + ca - cb = 796 *547 + 283 * 796 - 283 * 547 = 435412 + 225268 - 154801 = 505879 2b+m*n: 7 = 2 * 12856 + 684 * 63 : 7 = 25712 + 6156 = 31868
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