a+b+c+d+e=0
a-b+c-d+e=0
16a+8b+4c+2d+e=3?
回答 (2)
Sol
5個變數只有3個方程式
5>3
解答有無限多個
a+c+e=0...........(1)
b+d=0...........(2)
5a+c+2b=1.........(3)
都係解唔到
收錄日期: 2021-04-18 18:13:20
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