说说f(x)=(根号下x^2-3x-4)/x 1a3 b3

问题描述:

说说f(x)=(根号下x^2-3x-4)/x 1a3 b3
2X-Y 3=0,L2:4X-2Y-1=0,L3:X Y-1=0A={x||x-2|>=1

return countTable[v]bcosA-2ccosB=2bcosC-acosB比方4n=150比方return countTable[v]