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单选题
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1.若函数的导函数,则函数的单调减区间是(    )
A: (0,1)
B: (0,2)
C: (0,3)
D: (0,4)
  • 提示1IOaIkeS7rOWFiOaxguWHuuWHveaVsDxpbWcgd2lkdGg9MzUgaGVpZ2h0PTIzIHNyYz0iaHR0cHM6Ly9wMS5xaW5nZ3VvLmNvbS9HMS9NMDAvRDAvN0YvckJBQ0UxTkh1Wm5Ub2FtaEFBQUNLeGJYODVBNjI0LnBuZyI+55qE5Y2V6LCD5Yy66Ze077yM5LukPGltZyB3aWR0aD0xNDggaGVpZ2h0PTI3IHNyYz0iaHR0cHM6Ly9wMi5xaW5nZ3VvLmNvbS9HMS9NMDAvQjEvMTgvckJBQ0ZGTkh1WnJTQ2tSMkFBQUQ3MlhjM0Y4NzM2LnBuZyI+77yM6Kej5b6XPGltZyB3aWR0aD01OCBoZWlnaHQ9MTkgc3JjPSJodHRwczovL3AxLnFpbmdndW8uY29tL0cxL00wMC9EMC83Ri9yQkFDRTFOSHVacVJGOTkwQUFBQ0FpMERsb2c0MTUucG5nIj4=
  • 提示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