6n-3m;
9n+5m 5x+3y+z; -2x+4y-8z -4b+5c-8d;
b-6c+2d
ab+6bc-5cd; 9ab-11bc+12cd b-c; 6c-4d; 5b+3d 8m-8; 5m+n+2; 7n-14
p+6q-4r;
-8p+5q+6r a+9b+7c-3d;
-a+2b+3c+4d 12x-8y+4z; -11x-2y-7z
No hay comentarios:
Publicar un comentario