x²-x+?=(x-?)² ,

来源：学生作业帮助网 编辑：作业帮 时间：2024/12/03 02:17:41
x_KPƿJ 1ؼd\?&$*hZQ:7˜8:8$\x>9ImGѤA|r[P!7ӌvXA7+q,c@#`Gki&w"7dݧYϠwcUPA m(VuCVše<v^=?T(ߋr9sjз!hTjnA |*`5w+3S\@ +l(" .XyD<+HאZ+u>G<qZNwM SL-C\\ ~JLm/K `