高中数学代数与函数一函数练习题55
题目内容

http://picflow.koolearn.com/upload/2012-09/17/8487ee28-3fbe-4079-9ff8-917c51bd3ebd/paper.files/image028.png的单调减区间为 (     )

2021-07-28

A.http://picflow.koolearn.com/upload/2012-09/17/8487ee28-3fbe-4079-9ff8-917c51bd3ebd/paper.files/image029.png

B.http://picflow.koolearn.com/upload/2012-09/17/8487ee28-3fbe-4079-9ff8-917c51bd3ebd/paper.files/image030.png

C.http://picflow.koolearn.com/upload/2012-09/17/8487ee28-3fbe-4079-9ff8-917c51bd3ebd/paper.files/image031.png

D.http://picflow.koolearn.com/upload/2012-09/17/8487ee28-3fbe-4079-9ff8-917c51bd3ebd/paper.files/image032.png

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