Question

将十进制数56.25转化成二进制数和八进制数,写出步骤

将十进制数56.25转化成二进制数和八进制数,写出步骤

Answer 1

(56)10
=((0*1010+101)*1010+110)2
=(101*1010+110)2
=(110010+110)2
=(111000)2

(0.25)10
=((101/1010+10)/1010)2
=((0.1+10)/1010)2
=(10.1/1010)2
=(0.01)2

(56.25)10
=(111000.01)2
=(111 000 . 010)2
=(70.2)8