一元三次方程怎么解?例如这道题.x^3+5x^2-4x-20=0
来源:学生作业帮助网 编辑:作业帮 时间:2024/09/10 01:44:18
xW[OG+hwY@TMi@ߌP,A )2`$.B4;{y/eJ}Bx=s;Ι37Z$Z(;un$2z].>ٷ쓽P<G1YK286{8zPoD3(HPv>f*X]SnXx3Vu${sC42IG$!kG"CFlx3=܍{BKԫ2c,d%6bثLMRHsCsèTdCqw !HW"Gdj&(PIAllqAD[bAr|tW^ɻ
6H
&/a:ҝdUTM QZZivI%b+[fןlsIkf9^GYAчlҭ^
xza^5
K2I"&E_/Tu|
hj0k]LuC$YH1_8 yr|ܜ4/|K,:OzBnj5"v}&={5K!}0ˤ|@KhPM`^JThZW-wrQa\'狨(߫PIf}0TXw"^[:s嗢2*Ã`O$NiN/;CvKgg|6Xsgv?BCf|H5MMr5cȏ?s ş6%P-sYƁʂ~:`j74ڙ`k_ (d f w@kӷ}rPh<RUzx}|OM~.1Sp4,_R=h
PdD"
}Eu;N
Zؾ3s+ iY)~U1Rp1K$\l$K44o=9(JE'.f9A6v'07g%O=