[理工] 99台大資工矩陣
[2 1 1 1 1 1 [x1 [1
2 3 2 2 2 2 x2 2
3 3 4 3 3 3 x3 3
4 4 4 5 4 4 * x4 = 4
5 5 5 5 6 5 x5 5
6 6 6 6 6 7] x6] 6]
求解x1+x2+x3+x4+x5+x6=?
我算出來是-13/12
感覺是錯的..請問各位強者怎麼解阿?
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