69. A positional numeral system use 'X' as its radix. In this system, number 252 equals decimal number 209 as following equation: 252(x) = 209(10).What is the value of 'X'?
(A) 6
(B) 7
(C) 8
(D) 9
詳解 (共 2 筆)
未解鎖
10 進位 是這樣表示 2 * 102...
未解鎖
252(x) = 209(10)2x2+...
私人筆記 (共 1 筆)
未解鎖
252(x) = 209(10)2x2+...