A:benefit
B:benefited
C:of little benefit
D:of much benefit
一元二次方程a(x﹣1)2+b(x﹣1)+c=0化为一般形式后为2x2﹣3x﹣1=0,试求a,b,c的值.
比﹣2大4的数是( )
若 y 关于 x 的回归方程为 y^=1.3x−1 ,则 m= ____.
—No,_______. I don't like them at all.