• 2022-11-01
    下列哪些约束条件是错误的()
    A: x3 + x4 + x5 + x6 + x7 ≥28
    B: x4 + x5 + x6 + x7 + x1 ≥15
    C: x5 + x6 + x7 + x1 + x2 ≤24
    D: x6 + x7 + x1 + x2 + x3 ≤25