如题所述
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x = +15d = + 1111b
[x]å = 0000 1111b
æ£æ°çåç ãåç ãè¡¥ç ç¸åï¼é½æ¯ 0000 1111b
y = -15d = - 1111b
[y]å = 1000 1111b
[y]å = 1111 0000b
[y]è¡¥ = 1111 0001b
x = +15d = + 1111b
[x]å = 0000 1111b
æ£æ°çåç ãåç ãè¡¥ç ç¸åï¼é½æ¯ 0000 1111b
y = -15d = - 1111b
[y]å = 1000 1111b
[y]å = 1111 0000b
[y]è¡¥ = 1111 0001b
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