3.2.2,本课时栏目开关,3.2.2,ylogax (a0,a1,x0),正实数集,(0,),a1,0a1,(1,0),本课时栏目开关,3.2.2,本课时栏目开关,3.2.2,观察演示,本课时栏目开关,3.2.2,本课时栏目开关,3.2.2,本课时栏目开关,3.2.2,本课时栏目开关,3.2.2,本课时栏目开关,3.2.2,本课时栏目开关,3.2.2,本课时栏目开关,3.2.2,2mm1,m10,本课时栏目开关,3.2.2,本课时栏目开关,3.2.2,本课时栏目开关,3.2.2,本课时栏目开关,3.2.2,本课时栏目开关,3.2.2,D,log2x20,x0,本课时栏目开关,3.2.2,D,本课时栏目开关,3.2.2,12log6x0,本课时栏目开关,3.2.2,本课时栏目开关,