AcrobaticsDo you like acrobatics? The Chinese National Acrobatic Circus(中国国家杂技团) isthe best acrobatic circus of New China. Now the star-studded cast(明星荟萃的演员阵容)are exhib
--- How did you do in the test yesterday? --- Not so well. I _____ much better but I misread the directions for writing. A. will have done B. could have done C. must have do
满足
，且
时，
，则
的图象的交点个数为 .
知函数
的周期为2,所以两个函数的图象如下图:
恒过点(1,0),且当x=10时,lgx=1,所以两函数图象共有9个交点.