单项选择题
A.nB.n2C.2nD.2n
A.(10000110.0101)余3BCDB.(10000011.0010)余3BCDC.(01110110.01011000)余3BCDD.(01000011.00100101)5421BCD
A.(5.1)16B.(5.1)10C.(5.1)8D.(101.1)2