【多选题】【消耗次数：1】
关于完全图 Kn (n 3 3)的点独立数b0、点覆盖数a0、匹配数b1与边覆盖数a1，下面的哪些性质正确：
①
b1 a0；
②
b1 a0；
③
b0 a1；
④
b1 ≤ a1。
参考答案：
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相关题目
【单选题】
关于完全图 Kn (n 3 3)的点独立数b0、点覆盖数a0、匹配数b1与边覆盖数a1，下面的哪个性质不正确：
①
b1 a0；
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b1 a0；
③
b0 a1；
④
b1 ≤ a1。
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关于完全二部图 Kr, s 中的点独立数b0、点覆盖数a0、匹配数b1与边覆盖数a1，下面的哪个性质不正确：
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关于n阶m边的无向简单图的支配数g0、点独立数b0、点覆盖数a0、匹配数b1与边覆盖数a1，下面的哪个性质不正确：
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g0 ≤ b0；
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b1 ≥ a1；
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a1 + b1 = n；
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b1 ≤ a1。
【单选题】
关于n阶m边的无向简单图的支配数g0、点独立数b0与点覆盖数a0，下面的哪个性质不正确：
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g0 ≤ b0；
②
a0 + b0 = n；
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④
都大于等于1。
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