设函数，则的零点个数为[imgwidth="136"height="37"src...0340977803dda9.png"]
举一反三
- 设，其中，则在区间内[imgwidth="111"height="37"src=...343f39ebfbe6b8.png"]
- 函数的导函数的零点的个数为[imgwidth="208"height="29"s...4f692741a6985c.png"]
- 设[imgwidth="71"height="25"src="https://p.ananas.chaoxing.com/star3/origin/75ffa9533e6ab79bc0cfb8fd5a03fb9e.png"],则[imgwidth="39"height="23"src="https://p.ananas.chaoxing.com/star3/origin/424d5c9d46833a5ab8942dcd75ce5a8c.png"]在[imgwidth="37"height="21"src="https://p.ananas.chaoxing.com/star3/origin/9ee84cb4b1771fa6c046eaa6c45bb946.png"]上的平均值为(). A: imgwidth="16"height="45"src="https://p.ananas.chaoxing.com/star3/origin/f163ea87a82b79497196f437c30b8320.png">; B: ; C: ; D: .
- 设函数由方程确定，则1[imgwidth="60"height="22"src=...994c821e47255a.png"]
- 设则（ [imgwidth="102"height="54"src="htt...9d4a97a5a3524b.png"]