A、<img src="http://wximg.233.com/attached/image/20150818/20150818092729_9693.png" height="24" width="82" /> B、<img src="http://wximg.233.com/attached/image/20150818/20150818092737_5324.png" height="21" width="104" /> C、<img src="http://wximg.233.com/attached/image/20150818/20150818092807_8161.png" height="21" width="119" />D、<img src="http://wximg.233.com/attached/image/20150818/20150818092816_5042.png" height="24" width="100" />
高等数学一