将十进制数27.375转换为二进制数

Question

将十进制数27.375转换为二进制数两个一起来吧

Answer 1

27(10)=11011(2)
0.375(10)=(1/4)(10)+(1/8)(10)=0.01(2)+0.001(2)=0.011(2)
27.375(10)=11011.011(2)
验证：1*2^4+1*2^3+1*2+1+1*2^(-2)+1*2^(-3)=27.375(10)
10110111(2)=267(8)
0.10101(2)=0.65625(10)=(5/8)(10)+(2/64)(10)=0.52(8)
10110111.0.10101(2)=267.52(8)
a(n)表示a是n进制数