来自李春风的问题
如图7-1-2-7,AD,BE,CF是△ABC的3条中线,若AF=acm,则AB=cm;若BC=bcm,则BD=cm:如图7-1-2-7,AD、BE、CF是△ABC的3条中线,若AF=acm,则AB=cm;若BC=bcm,则BD=cm:若ABC的周长为ccm,则AE+CD+BFCM.图弄不出来抱歉
如图7-1-2-7,AD,BE,CF是△ABC的3条中线,若AF=acm,则AB=cm;若BC=bcm,则BD=cm:
如图7-1-2-7,AD、BE、CF是△ABC的3条中线,若AF=acm,则AB=cm;若BC=bcm,则BD=cm:
若ABC的周长为ccm,则AE+CD+BFCM.
图弄不出来抱歉
1回答
2020-03-08 07:09