数学高手速度进
①14x^2-12xy+()=(2x-)^2②若5x-3y-2=0,,1^5x÷10^3y=③已知m+1/m=3则m^2+1/m^2=...
①14x^2-12xy+( )=(2x- )^2
②若5x-3y-2=0,,1^5x÷10^3y=
③已知m+1/m=3 则m^2+1/m^2= 展开
②若5x-3y-2=0,,1^5x÷10^3y=
③已知m+1/m=3 则m^2+1/m^2= 展开
1个回答
推荐律师服务:
若未解决您的问题,请您详细描述您的问题,通过百度律临进行免费专业咨询