*-квадрат, "-куб (x+y)*=? 4x*+12x+9=? (x-y)(x+y)=? x*-y*=? x"-y"=? (p-d)*=? 25a*+10a+1=? 25x*-y*=? (-a-2)*=? m"-n"=? (9-y)*=? b*+4a*-4ab=? (9a-b*)(b*+9a)=? 1+a*-2a=?
23*34(87+12)-65-y*aв квадрате+78а:-8(199+6):54+56а-х+n-m+1у=-12√+p+1b=5√