[tex=13.786x1.286]STX+NttgI+Yuj1SlwoNmjL8wNTQNMMwz71kWwtdR95vbxOtf0KZu3rdM5iaB4/SM[/tex]
未知类型:{'options': ['[tex=3.286x1.286]VkHgS49LBAbWVVvz3V12+3UpL8zCv2nW8S8Johow+/4=[/tex]', '[tex=3.286x1.286]4qHywz9Db41HdXz221DdK3dDNRKwvczJ83D4PcDRPJM=[/tex]', '[tex=3.286x1.286]5qhj8NPuauGgBZGXMvuhQqpX9JK9/PaNKVmAK0fd9qw=[/tex]', '[tex=3.286x1.286]XMIfd0pZNzix4GVwb+DTYzT0HcJ4P8y75XbllgcEvTA=[/tex]', '[tex=3.286x1.286]0MLr6sR36CPnUoMIHm6vOxcVOOX1tdM+db17rFREwT4=[/tex]'], 'type': 102}
未知类型:{'options': ['[tex=3.286x1.286]VkHgS49LBAbWVVvz3V12+3UpL8zCv2nW8S8Johow+/4=[/tex]', '[tex=3.286x1.286]4qHywz9Db41HdXz221DdK3dDNRKwvczJ83D4PcDRPJM=[/tex]', '[tex=3.286x1.286]5qhj8NPuauGgBZGXMvuhQqpX9JK9/PaNKVmAK0fd9qw=[/tex]', '[tex=3.286x1.286]XMIfd0pZNzix4GVwb+DTYzT0HcJ4P8y75XbllgcEvTA=[/tex]', '[tex=3.286x1.286]0MLr6sR36CPnUoMIHm6vOxcVOOX1tdM+db17rFREwT4=[/tex]'], 'type': 102}
举一反三
- 向量[tex=5.643x1.286]UOUVlYY3Owd/9Y+4aGhD2Q==[/tex]在[tex=4.786x1.286]x/DRKltwGOjd6FFY9joZ6Q==[/tex]上的投影[tex=3.286x1.286]wGfVdUMgAn5LMrF8O6yYwV3vkaAQ2TFHZKAYsbp88SY=[/tex][input=type:blank,size:4][/input],[tex=0.5x1.286]PGyKeLDo0qv9T0n29ldi6w==[/tex]在[tex=0.571x1.286]mRKL/orzOudCEARA8qn3Kw==[/tex]上的投影[tex=3.286x1.286]7pOAdpiq9AgleNydFoH1oLiJcqz06HIbtdLTBglKvE4=[/tex][input=type:blank,size:4][/input].
- 如图所示,正方形[tex=3.071x1.0]RGN59LQ/a5zcnmaK3O1PPA==[/tex]的边长为4,分别以[tex=0.786x1.286]pi/GsQ3apuRt43V3XQq/tA==[/tex],[tex=0.786x1.286]TKU5UzNEMzEJwORo6mbEYA==[/tex]为圆心,4为半径画圆弧,则阴影部分面积是[img=167x166]17f4464f039fe0c.png[/img] 未知类型:{'options': ['[tex=3.286x1.286]6KF2KtwSdKyAxn7yuDk6xQ==[/tex]', '[tex=3.286x1.286]XXy8HN7OIZq4IV2y0YYbTQ==[/tex]', '[tex=2.786x1.286]xqUsKXgAaNpaV3BYFqN2+A==[/tex]', '[tex=3.286x1.286]38/lMmDrs51CuNXKWfDkCw==[/tex]', '[tex=3.286x1.286]NvOGVT2ZkVEin6d9JzRA6Q==[/tex]'], 'type': 102}
- 已知两样本,其中[tex=3.286x1.286]pCZ+fPe3X5XtlIcXCf6RGw==[/tex],方差为8,[tex=3.286x1.286]Q2b3o7DuedZMJHU7IH5wig==[/tex],方差为9,问该两样本的方差是否相等? 未知类型:{'options': ['[tex=3.357x1.5]NXhYkidBl2WSXlRLC4KIzILrGcCcQNh7VtJO2WqAVNE=[/tex]', '[tex=3.357x1.5]ke7JXTHQGlZKBQHWp94m4qpg0gPCi8IYQK/vouLBpsY=[/tex]', '[tex=3.357x1.286]N87SzRAaGSWbe1qIoyNpLl9wNDv9yqcKiccCX8zGhyo=[/tex]', '无法确定'], 'type': 102}
- set1 = {x for x in range(10)} print(set1) 以上代码的运行结果为? A: {0, 1, 2, 3, 4, 5, 6, 7, 8, 9} B: {0, 1, 2, 3, 4, 5, 6, 7, 8, 9,10} C: {1, 2, 3, 4, 5, 6, 7, 8, 9} D: {1, 2, 3, 4, 5, 6, 7, 8, 9,10}
- >>>x= [10, 6, 0, 1, 7, 4, 3, 2, 8, 5, 9]>>>print(x.sort()) 语句运行结果正确的是( )。 A: [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10] B: [10, 6, 0, 1, 7, 4, 3, 2, 8, 5, 9] C: [10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0] D: ['2', '4', '0', '6', '10', '7', '8', '3', '9', '1', '5']