4.482¡Â6=80¡2,ÄÇô4820¡Â60=() .¡¡).
5.Á½ÊýÏà³ý,ÉÌÊÇ30,Èç¹û±»³ýÊý²»±ä,³ýÊýÈ¥µô¸öλµÄ0,ÉÌÊÇ
();Èç¹û³ýÊý²»±ä,±»³ýÊýÈ¥µô¸öλµÄ0,ÉÌÊÇ().
A.ÏàµÈ C. ÎÞ·¨È·¶¨
һ
2.Ò»µÀ³Ë·¨ËãʽµÄ»ýÊÇ80,ÆäÖÐÒ»¸ö³ËÊý²»±ä,ÁíÒ»
四(上)数学期末4.积、商的变化规律及其应用.pdf