由曲线[img=39x20]17e0a6a53db23e7.jpg[/img]与[img=64x20]17e0aa0906b6a25.jpg[/img]所围成的图形的面积是()
未知类型:{'options': ['', ' [img=21x34]17e0b0fb1cd45a2.jpg[/img]', ' [img=11x33]17e0aa0936161a6.jpg[/img]', ' 36'], 'type': 102}
未知类型:{'options': ['', ' [img=21x34]17e0b0fb1cd45a2.jpg[/img]', ' [img=11x33]17e0aa0936161a6.jpg[/img]', ' 36'], 'type': 102}
举一反三
- 由曲线[img=39x20]17e0a6a53db23e7.jpg[/img],[img=64x20]17e0aa0906b6a25.jpg[/img]所围成的图形的面积是 未知类型:{'options': ['3', ' [img=11x33]17e0a68bf6b69bd.jpg[/img]', ' [img=11x33]17e0aa09186ec33.jpg[/img]', ' [img=11x33]17e0aa0936161a6.jpg[/img]'], 'type': 102}
- 曲线[img=39x20]17e0a6a53db23e7.jpg[/img]与[img=64x20]17e0aa0906b6a25.jpg[/img]所围面积是 未知类型:{'options': ['', ' [img=11x33]17e0aa0936161a6.jpg[/img]', ' 3', ' [img=18x33]17e0aa093f2401b.jpg[/img]'], 'type': 102}
- 由曲线[img=39x20]17e43671d59c7c6.jpg[/img]与[img=64x20]17e43a4ee288966.jpg[/img]所围成的图形的面积是() 未知类型:{'options': ['', ' [img=21x34]17e43a4ef574e56.jpg[/img]', ' [img=11x33]17e43891436b961.jpg[/img]', ' 36'], 'type': 102}
- 函数f(x)=[img=40x76]17e0bf8d391c13e.png[/img]的不连续点为( ) 未知类型:{'options': ['x=0', ' x=[img=43x39]17e0bf8d4513730.png[/img](k=0,±1,±2,…)', ' x=0和x=2kπ(k=0,±1,±2,…)', ' x=0和x=[img=43x39]17e0bf8d4513730.png[/img](k=0,±1,±2,…)'], 'type': 102}
- 设随机变量(X,Y)的联合密度函数为f(x,y)=[img=11x33]17e0a705ae7bd6c.jpg[/img]xy,0<;x<;y<;2,则)P(X<;1,Y<;2)= 未知类型:{'options': ['', ' [img=21x34]17e0abc58cd38f8.jpg[/img]', ' [img=18x33]17e0abc597504cc.jpg[/img]', ' [img=11x33]17e0a705ae7bd6c.jpg[/img]'], 'type': 102}