二进制1001111.1110转十进制和十六进制是多少

来源：百度知道 编辑：UC知道 时间：2024/06/02 06:09:48
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(1001111.1110)二=(100 1111. 1110)二
=(4F.E)十六

(1001111)二=(((((((0*2+1)*2+0)*2+0)*2+1)*2+1)*2+1)*2+1)十
=((((((1*2+0)*2+0)*2+1)*2+1)*2+1)*2+1)十
=((((((2+0)*2+0)*2+1)*2+1)*2+1)*2+1)十
=(((((2*2+0)*2+1)*2+1)*2+1)*2+1)十
=(((((4+0)*2+1)*2+1)*2+1)*2+1)十
=((((8+1)*2+1)*2+1)*2+1)十
=(((9*2+1)*2+1)*2+1)十
=(((18+1)*2+1)*2+1)十
=((19*2+1)*2+1)十
=((38+1)*2+1)十
=(39*2+1)十
=(78+1)十
=(79)十

(0.111)二=(((1/2+1)/2+1)/2)十
=(((0.5+1)/2+1)/2)十
=((1.5/2+1)/2)十
=((0.75+1)/2)十
=(1.75/2)十
=(0.875)十

(1001111.1110)二=(79.875)十

982
26E

十进制数：79.875
十六进制数：3F.E

1001111.1110B = 79.875D
1001111.1110B = 4F.EH

638
27E