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第09 讲 动态平衡和临界、极值问题 ⏳题型01 动态平衡 1.【答案】C 2.【答案】B 3.【答案】B 4.【答案】AC 5.【答案】A 6.【答案】A 7.【答案】BD 8.【答案】C 9.【答案】A 10.【答案】A ⏳题型02 平衡和临界、极值问题 11.【答案】D 12.【答案】B 13.【答案】C 14.【答案】B 15.【答案】B 重难·创新演练 1.【答案】A 2.【答案】A 3.【答案】D 4.【答案】AD 5.【答案】B 6.【答案】C 真题·实战演练 1.【答案】B 2【答案】D 3.【答案】B 4.【答案】C 5.【答案】B




























































