糖、盐、味精、蜂蜜、豆油、酒都能溶解在水里。( )
What about going shopping this weekend?
已知数列an,bn满足a1=1,且an,an+1是函数fx=x2-bnx+2n的两个零点,则b10等于( )
请结合下列实验装置,回答有关问题: