摘要:4.集合.若.点.则的最大值是 A.0 B.2 C.3 D.4
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集合M={(x,y)|y≤x},P={(x,y)|x+y≤2},S={(x,y)|y≥0},若T=M∩P∩S,点E(x,y)∈T,则x+3y的最大值是( )
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| A.0 | B.2 | C.3 | D.4 |
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| A.0 | B.2 | C.3 | D.4 |