用完全平方公式解答,明天就开学啦,速度的话追分1.(三分之一x+3y)²= ( )²=四分之一y²-y+12.(a+b-c)²= 3.代数式2xy-x²-y²等于4(x+y/2)²-(x-y/2)²等于5.已知x-y=4,xy=12,则x

来源:学生作业帮助网 编辑:作业帮 时间:2024/12/01 05:48:37
xVNA~ILnLjC14{Cf`J4xC 5_Ӗ+_3ZJ[;6ٝ7ߜ9gΙ.֚Z.7ٷƙ\"obwsU~,e.^#z[K߿d%  ;g:uK}x#bYeFF2LY8!i>t~v׏&2"{+BfgœokohxT(b5y~?@\  m8[H鄸!v[Kn9k @S X`:b:Kf,cG=jW=2Ehy#nJVcyfi S7=1@&  KR8~̎]ט){rHeHrXAt4'Qcψ82*9ziGm٣jNCY%6rʤ  0`(P/pMA"bq2EsblM K/k 2d (Ğ+^1`+TyVH lУ T uOl1.8U%V3ԓCGxєrxqǚ`8bq;yFe=nx5sO+ XC#鱎 Q,8!Dt=0h47 %;uCv,uΝ940.ƥ$Fݿrp,G թ7媆\T k\)v~ iRN