(1)在等式中y=ax²+bx+c中,当x=-1时,y=0.当x=1时,y=4.当x=2时,y=3.求a、b、c.(2){x-y=-12x+y-z=33x-2y+z=4
来源:学生作业帮助网 编辑:作业帮 时间:2024/09/10 08:20:11
xVRGJUʎ.u
Zp"Rde+dX%{gWz/NRIU>}zӓCZn:V+ofrzD,Ma'ίə~ϛIT+Vۙ˼/f3u
և۹D\,1u=Hg>W7rqdLqX^w{>K^ol3:۶^2:/nIdcS83126%R´io&31=k7Iۥ
w
{ɋ_=ps+z$,KFOh0Hycٚz !C
et]o1 K8aRe9-
ż[G"R^i/םn)uD8{WyܔP)L
Scho4&idbڈ+0 {vg_QUOR^nc^RM"I ;R..7ދZuhWa"PፖHMz6_+~ 'kĺ*,DJè"e!&HzCq|Vm#. (7%AwrxcO
C?BGb"Bߜ7e|@)LFPl曼SvLT58^~cja
6s^,.Ex
pcw,&
@l _zGR.pY[Ma;9I.o+(OzWYIDD^oRpZ5wSߵͺ* D-F2 6F=ӄ>0KbBK~5*ܚ?|WUcwkxV gYsкo;'|aѠޑ./[oNmxD1x*_j8dƾY&߾!2N=ҺCzzѷ͛Ɨ!\DM)%h5B\R[%_!ЏB_8کxvyim%C