41BD(16)
41BD(16)=4*16^3+1*16^2+11*16^1+13*16^0
=4*4096+1*256+11*16+13*1
=16384+256+176+13
=16829
A10C.8(16)=10*16^3+1*16^2+0*16^1+12*16^0+8*16^-1
=10*4096+1*256+0+12*1+8*0.0625
=40960+256+12+0.5
=41228.5
146.1(8)=1*8^2+4*8^1+6*8^0+1*8^-1
=64+4*8+6*1+1*0.125
=102.125
5312.2(8)=5*8^3+3*8^2+1*8^1+2*8^0+2*8^-1
=5*512+3*64+1*8+2*1+2*0.125
=2560+192+8+2+0.25
=2762.25
11001.001(2)=1*2^4+1*2^3+0*2^2+0*2^1+1*2^0+0*2^-1+0*2^-2+1*2^-3
=16+8+0+0+1+0+0+0.125
=25.125
1101101.11(2)=1*2^6+1*2^5+0*2^4+1*2^3+1*2^2+0*2^1+1*2^0+1*2^-1+1*2^-2
=64+32+0+8+4+0+1+0.5+0.25
=109.75
原文：http://www.cnblogs.com/sjxx/p/5078823.html