Giải hệ ( toán cao cấp )
x + 3y - z + 2t = 0
2x + 7y - z + 2t = -3
-3x - 7y...
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Mathematics, 18.10.2021 08:20 srgrace9948
Giải hệ ( toán cao cấp )
x + 3y - z + 2t = 0
2x + 7y - z + 2t = -3
-3x - 7y + 6z - 12t = -4
-x - 2y + 5z - 11t = -1
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Answers: 2
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