August 2022 1 6 Report
→ → → → → → → → → 1)Дано:a=2i-2j-2k : b = 2i+i +6k Найти модуль вектора 4а+2b 2)Найти периметр треугольника. АВС, если А(3;5;7), В(-1;-3;7), С(0;1;-1).
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