挑战习题
1/5单选题
难度:

1.函数在区间的最大值为()
A 1-e
B -1
C -e
D 0
提示1:
DQrlhYjmsYLlr7zmlbAsPGJyPg0KPGltZyB3aWR0aD0xMzAgaGVpZ2h0PTQyIHNyYz0iaHR0cHM6Ly9wMi5xaW5nZ3VvLmNvbS9HMS9NMDAvNjcvQzcvckJBQ0UxTXNCdTd5Rkp2akFBQURqa3pQbXNNNjYyLnBuZyI+
提示2:
55So5a+85pWw56Gu5a6a5Ye95pWw55qE5Y2V6LCD5oCn77yM5Zug5Li6DQo8aW1nIHdpZHRoPTI0MyBoZWlnaHQ9MjEgc3JjPSJodHRwczovL3AyLnFpbmdndW8uY29tL0cxL00wMC80NC8xRi9yQkFDRkZNc0J1N0QxVjg2QUFBRTBnUEoya0E0NDIucG5nIj7vvIzmiYDku6Xlh73mlbDlnKjvvIgwLDHvvInkuIrljZXosIPpgJLlop7vvIzlnKjvvIgx77yMZV3kuIrljZXosIPpgJLlh4/vvIzmiYDku6Xlh73mlbDlnKjvvIgw77yMZV3kuIrlhYjlop7lkI7lh4/jgII=
提示3:
IOaJgOS7peacgOWkp+WAvOWcqHg9MeaXtuWPluW+l+OAgg==
正确答案:Qg==
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