举一反三
- [imgwidth="284"height="42"title=""style=...space="0"hspace="0">
- [imgwidth="428"height="46"title=""style=...space="0"hspace="0">
- [imgwidth="375"height="34"title=""style=...space="0"hspace="0">
- [imgwidth="499"height="55"src="http://p....897dc6a1abb092.png"]
- 设,>0,则必定存在一个正数δ,使得[imgwidth="69"height="...4dc61805f98123.png"]
内容
- 0
三阶行列式[imgwidth="100"height="75"src="https://p.ananas.chaoxing.com/star3/origin/99f17d5803ba241d361ee6aaf4747bad.png"],则[imgwidth="113"height="24"src="https://p.ananas.chaoxing.com/star3/origin/3a32cf5c95786626e94530a34bf8a7da.png"](). A: -1 B: 0 C: 1 D: 2
- 1
由曲线[imgwidth="156"height="53"src="https://p.ananas.chaoxing.com/star3/origin/00e346dd386ef544f5052fb5c90e1372.png"]、[imgwidth="37"height="19"src="https://p.ananas.chaoxing.com/star3/origin/8fad2786802119320b27fc6647707e0d.png"]和[imgwidth="35"height="21"src="https://p.ananas.chaoxing.com/star3/origin/27d8820aa177e50656e6ffa3c6225a67.png"]围成的平面图形绕[imgwidth="15"height="17"src="https://p.ananas.chaoxing.com/star3/origin/b3048d8c2bbe74ff01f7d3c8915bfdef.png"]轴旋转一周所得旋转体的体积[imgwidth="28"height="19"src="https://p.ananas.chaoxing.com/star3/origin/c9d9123939953c49b1e9b6492e79f835.png"](). A: imgwidth="55"height="21"src="https://p.ananas.chaoxing.com/star3/origin/3bcbb56de7b78a2ff7eff984ee56642e.png">; B: ; C: ; D: .
- 2
[imgwidth="302"height="21"src="http://p....b2a5e4b28e0c56.gif"]
- 3
[imgwidth="163"height="60"src="http://p....4f51b6a3b4cf6f.png"]
- 4
[imgwidth="183"height="23"src="http://p....25e8878dd5f360.gif"]