小学数学公式大全:HYPERLINK"https://www.baidu.com/s?wd=%E5%92%8C%E5%B7%AE%E9%97%AE%E9%A2%98&tn=44039180_cpr&fenlei=mv6quAkxTZn0IZRqIHckPjm4nH00T1dBnjNbnWF-ujbsrjF-uj610ZwV5Hcvrjm3rH6sPfKWUMw85HfYnjn4nH6sgvPsT6KdThsqpZwYTjCEQLGCpyw9Uz4Bmy-bIi4WUvYETgN-TLwGUv3EnW0knWbznHczn1T4njbknH0zr0"\t"_blank"和差问题的公式(和＋差)÷2＝大数(和－差)÷2＝小数HYPERLINK"https://www.baidu.com/s?wd=%E5%92%8C%E5%80%8D%E9%97%AE%E9%A2%98&tn=44039180_cpr&fenlei=mv6quAkxTZn0IZRqIHckPjm4nH00T1dBnjNbnWF-ujbsrjF-uj610ZwV5Hcvrjm3rH6sPfKWUMw85HfYnjn4nH6sgvPsT6KdThsqpZwYTjCEQLGCpyw9Uz4Bmy-bIi4WUvYETgN-TLwGUv3EnW0knWbznHczn1T4njbknH0zr0"\t"_blank"和倍问题和÷(倍数－1)＝小数小数×倍数＝大数(或者和－小数＝大数)差倍问题差÷(倍数－1)＝小数小数×倍数＝大数(或小数＋差＝大数)HYPERLINK"https://www.baidu.com/s?wd=%E6%A4%8D%E6%A0%91%E9%97%AE%E9%A2%98&tn=44039180_cpr&fenlei=mv6quAkxTZn0IZRqIHckPjm4nH00T1dBnjNbnWF-ujbsrjF-uj610ZwV5Hcvrjm3rH6sPfKWUMw85HfYnjn4nH6sgvPsT6KdThsqpZwYTjCEQLGCpyw9Uz4Bmy-bIi4WUvYETgN-TLwGUv3EnW0knWbznHczn1T4njbknH0zr0"\t"_blank"植树问题1非封闭线路上的HYPERLINK"https://www.baidu.com/s?wd=%E6%A4%8D%E6%A0%91%E9%97%AE%E9%A2%98&tn=44039180_cpr&fenlei=mv6quAkxTZn0IZRqIHckPjm4nH00T1dBnjNbnWF-ujbsrjF-uj610ZwV5Hcvrjm3rH6sPfKWUMw85HfYnjn4nH6sgvPsT6KdThsqpZwYTjCEQLGCpyw9Uz4Bmy-bIi4WUvYETgN-TLwGUv3EnW0knWbznHczn1T4njbknH0zr0"\t"_blank"植树问题主要可分为以下三种情形:⑴如果在非封闭线路的两端都要植树,那么:株数＝段数＋1＝全长÷株距－1全长＝株距×(株数－1)株距＝全长÷(株数－1)⑵如果在非封闭线路的一端要植树,另一端不要植树,那么:株数＝段数＝全长÷株距全长＝株距×株数株距＝全长÷株数⑶如果在非封闭线路的两端都不要植树,那么:株数＝段数－1＝全长÷株距－1全长＝株距×(株数＋1)株距＝全长÷(株数＋1)2封闭线路上的HYPERLINK"https://www.baidu.com/s?wd=%E6%A4%8D%E6%A0%91%E9%97%AE%E9%A2%98&tn=44039180_cpr&fenlei=mv6quAkxTZn0IZRqIHckPjm4nH00T1dBnjNbnWF-ujbsrjF-uj610ZwV5Hcvrjm3rH6sPfKWUMw85HfYnjn4nH6sgvPsT6KdThsqpZwYTjCEQLGCpyw9Uz4Bmy-bIi4WUvYETgN-TLwGUv3EnW0knWbznHczn1T4njbknH0zr0"\t"_blank"植树问题的数量关系如下株数＝段数＝全长÷株距全长＝株距×株数株距＝全长÷株数HYPERLINK"https://www.baidu.com/s?wd=%E7%9B%88%E4%BA%8F%E9%97%AE%E9%A2%98&tn=44039180_cpr&fenlei=mv6quAkxTZn0IZRqIHckPjm4nH00T1dBnjNbnWF-ujbsrjF-uj610ZwV5Hcvrjm3rH6sPfKWUMw85HfYnjn4nH6sgvPsT6KdThsqpZwYTjCEQLGCpyw9Uz4Bmy-bIi4WUvYETgN-TLwGUv3EnW0k