將下列十進制數(shù)轉(zhuǎn)換成二進制數(shù)、八進制數(shù)、十六進制數(shù): ①57 ②18.34 ③46.75 ④0.904
將下列二進制數(shù)轉(zhuǎn)換成十進制數(shù): ①11000101 ②10100110.1001 ③111111 ④110011001100