Khác biệt giữa bản sửa đổi của “Hệ bát phân”
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Dòng 5:
Giá trị gia tăng từ phải qua trái là 1, 8,64, 512, 4096...
== Bảng xem hệ đổi bát phân sang nhị phân và thập lục phân ==
{| border="0" cellspacing="0" cellpadding="0" style="text-align:center;border:2px"
|- style="background:black; height:2px"
| style="background:black; width:2px" | || || || || || || || || || || ||
|-style="background:#f6a07c; color:black; height:24px"
| style="background:black; width:2px" | || style="width:45px"|'''0'''<sub>hex</sub> || = || style="width:45px"|0<sub>dec</sub> || = || style="width:45px"|0<sub>oct</sub> ||style="background:black; width:2px" | || style="background:white;width:24px"|0|| style="background:white;width:24px"|0|| style="background:white;width:24px"|0|| style="background:white;width:24px"|0 ||style="background:black; width:2px" |
|-style="background:#E3EDE9; color:black; height:24px"
| style="background:black; width:2px" | || '''1'''<sub>hex</sub> || = || 1<sub>dec</sub> || = || 1<sub>oct</sub> ||style="background:black; width:2px" | || style="background:white;width:24px"|0|| style="background:white;width:24px"|0|| style="background:white;width:24px"|0|| style="background:red;width:24px"|1||style="background:black; width:2px" |
|-style="background:#E3EDE9; color:black; height:24px"
| style="background:black; width:2px" | || '''2'''<sub>hex</sub> || = || 2<sub>dec</sub> ||= || 2<sub>oct</sub> ||style="background:black; width:2px" | || style="background:white;width:24px"|0|| style="background:white;width:24px"|0|| style="background:red;width:24px"|1|| style="background:white;width:24px"|0||style="background:black; width:2px" |
|-style="background:#FDC888; color:black; height:24px"
| style="background:black; width:2px" | || '''3'''<sub>hex</sub> || = || 3<sub>dec</sub> || = || 3<sub>oct</sub> ||style="background:black; width:2px" | || style="background:white;width:24px"|0|| style="background:white;width:24px"|0|| style="background:red;width:24px"|1|| style="background:red;width:24px"|1||style="background:black; width:2px" |
|- style="background:black; height:2px"
| style="background:black; width:2px" | || || || || || || || || || || ||
|-style="background:#E3EDE9; color:black; height:24px"
| style="background:black; width:2px" | || '''4'''<sub>hex</sub> || = || 4<sub>dec</sub> ||= || 4<sub>oct</sub> ||style="background:black; width:2px" | || style="background:white;width:24px"|0|| style="background:red;width:24px"|1|| style="background:white;width:24px"|0|| style="background:white;width:24px"|0||style="background:black; width:2px" |
|-style="background:#FDC888; color:black; height:24px"
| style="background:black; width:2px" | || '''5'''<sub>hex</sub> || = || 5<sub>dec</sub> || = || 5<sub>oct</sub> ||style="background:black; width:2px" | || style="background:white;width:24px"|0|| style="background:red;width:24px"|1|| style="background:white;width:24px"|0|| style="background:red;width:24px"|1||style="background:black; width:2px" |
|-style="background:#FEE978; color:black; height:24px"
| style="background:black; width:2px" | || '''6'''<sub>hex</sub> || = || 6<sub>dec</sub> ||= || 6<sub>oct</sub> ||style="background:black; width:2px" | || style="background:white;width:24px"|0|| style="background:red;width:24px"|1|| style="background:red;width:24px"|1|| style="background:white;width:24px"|0||style="background:black; width:2px" |
|-style="background:#E3EDE9; color:black; height:24px"
| style="background:black; width:2px" | ||'''7'''<sub>hex</sub> || = || 7<sub>dec</sub> || = || 7<sub>oct</sub> ||style="background:black; width:2px" | || style="background:white;width:24px"|0|| style="background:red;width:24px"|1|| style="background:red;width:24px"|1|| style="background:red;width:24px"|1||style="background:black; width:2px" |
|- style="background:black; height:2px"
| style="background:black; width:2px" | || || || || || || || || || || ||
|-style="background:#E3EDE9; color:black; height:24px"
| style="background:black; width:2px" | || '''8'''<sub>hex</sub> || = || 8<sub>dec</sub> || = || 10<sub>oct</sub> ||style="background:black; width:2px" | || style="background:red;width:24px"|1|| style="background:white;width:24px"|0|| style="background:white;width:24px"|0|| style="background:white;width:24px"|0||style="background:black; width:2px" |
|-style="background:#FEE978; color:black; height:24px"
| style="background:black; width:2px" | || '''9'''<sub>hex</sub> || = || 9<sub>dec</sub> ||= || 11<sub>oct</sub> ||style="background:black; width:2px" | || style="background:red;width:24px"|1|| style="background:white;width:24px"|0|| style="background:white;width:24px"|0|| style="background:red;width:24px"|1||style="background:black; width:2px" |
|-style="background:#FDC888; color:black; height:24px"
| style="background:black; width:2px" | || '''A'''<sub>hex</sub>|| = || 10<sub>dec</sub> || = || 12<sub>oct</sub> ||style="background:black; width:2px" | || style="background:red;width:24px"|1|| style="background:white;width:24px"|0|| style="background:red;width:24px"|1|| style="background:white;width:24px"|0||style="background:black; width:2px" |
|-style="background:#E3EDE9; color:black; height:24px"
| style="background:black; width:2px" | || '''B'''<sub>hex</sub>|| = || 11<sub>dec</sub> || = || 13<sub>oct</sub> ||style="background:black; width:2px" | || style="background:red;width:24px"|1|| style="background:white;width:24px"|0|| style="background:red;width:24px"|1|| style="background:red;width:24px"|1||style="background:black; width:2px" |
|- style="background:black; height:2px"
| style="background:black; width:2px" | || || || || || || || || || || ||
|-style="background:#FDC888; color:black; height:24px"
| style="background:black; width:2px" | || '''C'''<sub>hex</sub>|| = || 12<sub>dec</sub> || = || 14<sub>oct</sub> ||style="background:black; width:2px" | || style="background:red;width:24px"|1|| style="background:red;width:24px"|1|| style="background:white;width:24px"|0|| style="background:white;width:24px"|0||style="background:black; width:2px" |
|-style="background:#E3EDE9; color:black; height:24px"
| style="background:black; width:2px" | || '''D'''<sub>hex</sub>|| = || 13<sub>dec</sub> ||= || 15<sub>oct</sub> ||style="background:black; width:2px" | || style="background:red;width:24px"|1|| style="background:red;width:24px"|1|| style="background:white;width:24px"|0|| style="background:red;width:24px"|1||style="background:black; width:2px" |
|-style="background:#E3EDE9; color:black; height:24px"
| style="background:black; width:2px" | || '''E'''<sub>hex</sub>|| = || 14<sub>dec</sub> ||= || 16<sub>oct</sub> ||style="background:black; width:2px" | || style="background:red;width:24px"|1|| style="background:red;width:24px"|1|| style="background:red;width:24px"|1|| style="background:white;width:24px"|0||style="background:black; width:2px" |
|-style="background:#f6a07c; color:black; height:24px"
| style="background:black; width:2px" | || '''F'''<sub>hex</sub>|| = || 15<sub>dec</sub> || = || 17<sub>oct</sub> ||style="background:black; width:2px" | || style="background:red;width:24px"|1|| style="background:red;width:24px"|1|| style="background:red;width:24px"|1|| style="background:red;width:24px"|1||style="background:black; width:2px" |
|- style="background:black; height:2px"
| style="background:black; width:2px" | || || || || || || || || || || ||
|}
== Bát phân đơn giản hóa ==
Hàng 172 ⟶ 218:
=== Hệ nhị phân ===
====Tra cứu tách số====
{| class="wikitable"
|-
! Hệ bát phân !! Hệ nhị phân
|-
| 0 || 000
|-
| 1 || 001
|-
| 2 || 010
|-
| 3 || 011
|-
|4||100
|-
|5||101
|-
|6||110
|-
|7||111
|}
====Ví dụ====
Ví dụ: 123402<sub>8</sub> = 1010011100000010<sub>2</sub>
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