將下列二進(jìn)制數(shù)轉(zhuǎn)換成十進(jìn)制數(shù): (1)(101000)2; (2)(11001.01)2; (3)(0.10011)2; (4)(101.11)2。
函數(shù)其反函數(shù)()對(duì)偶式()