Ответ:\(101_2 = 1 \times 2^2 + 0 \times 2^1 + 1 \times 2^0\).\(347_8 = 3 \times 8^2 + 4 \times 8^1 + 7 \times 8^0\).\(205_{10} = 2 \times 10^2 + 0 \times 10^1 + 5 \times 10^0\).