ϵΪ
ˮ,˳ϵΪͨ...
գĹٳˮʱشӹܵвڶ㣬һ˹ڵĹ㷺ע ƵЩΪ㡱¡ö˵:㼸ǮͨˮҪ٣˵Ǹ㣿һȤ:Һܸεĸǣ༫࣬ˮһܺϴɱɾ
һҹ֮,ͨϵ...
113գйֽ־ͨ깫дѲϵùһĿӪijУ48꣩Ϊ...
"˿Ϊϵ"еϵô?"˿ϵβ,ƽͷ" е...
˿Ϊϵ˼˿ϴᣬϵΪᡢۡʱΪj˿ϵβ,ƽͷ˼˿...
äϵĤʲô
äϵĤʲôһäϵĤʲôҲ˵äϵĤʲôһäϵĤIJԹڿơͨơθơ...
ĸϵΪ( )A.ֱϵB.ϵC.D.
һ㵥Ҷֲĸϵϵ,˫Ҷֲĸϵֱϵ. ˫Ҷֲ,,,̶ϸ,ֱϵ.ѡ:A
ûϵη?֪ϵΪ(1...
Էx1+x2 -x4=02x2+x3+x4=0Ļϵ:(1,-1,2,0)^T,(3,-1,0,2)^TԷΪ:x1-x2+2x3=03x1-x2+2x4=0
ϸϵָʲô
ϸϵ쳣ѪҺϵͳйأϰƶѪ쳣ۺȡЩܵѪϸ쳣ֳӰϸ...
ǰϵ
ײԪŽͨľȺʻɽϵɽ˶γɵʯز㵥λҽҺͱҵ; ϸڻײ֮ͬϵĸDzΪϻϵľdzʺ...
Ѫϵϵ
ѪϸķΪ࣬ϵϵϵָϵϵϵϵͳܳƣϵѪаϸѪ...
ΪʲôġǡҪдɡϵ?
ϵֻͨšļ֮ʽijáֻ롸ǡֵһ˼һʾϵͬһ...