https://bgk-photo.cdn.bcebos.com/doc/pic/item/2fdda3cc7cd98d107bdcc0f6263fb80e7aec90e9.jpg二次函数y=ax2 bx的图象如图，若一元二次方程ax2 bx m=0有实数根，则m的最大值为______．
https://bgk-photo.cdn.bcebos.com/doc/pic/item/2fdda3cc7cd98d107bdcc0f6263fb80e7aec90e9.jpg二次函数y=ax2 bx的图象如图，若一元二次方程ax2 bx m=0有实数根，则m的最大值为______．
发布时间：2024-09-11 20:26:48
