2的2007次方的個位數
回答 (4)
2006-12-13 3:08 am
✔ 最佳答案
2^1 = 22^2 = 4
2^3 = 8
2^4 = 16
.......
佢既個位數係跟一個formula
2^(4n+1) 既個位數係 2
2^(4n+2) 既個位數係 4
2^(4n+3) 既個位數係 8
2^(4n+4) 既個位數係 6
2007 = 4 x 501+ 3 = 4n+3
個位係8
2006-12-13 3:50 am
2007+2007+2007=1
2006-12-13 3:03 am
8
2^1 = 2
2^2 = 4
2^3 = 8
2^4 = 6 (16)
2^5 = 2 (32)
2^6 = 4 (64)
2^6 = 8 (128)
2^6 = 6 (256)
...
2^2005 = 2
2^2006 = 4
2^2007 = 8
2^1 = 2
2^2 = 4
2^3 = 8
2^4 = 6 (16)
2^5 = 2 (32)
2^6 = 4 (64)
2^6 = 8 (128)
2^6 = 6 (256)
...
2^2005 = 2
2^2006 = 4
2^2007 = 8
收錄日期: 2021-04-13 13:42:53
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