求由下列曲线所围的面积（ρ=1）对坐标轴Ox和Oy的转动惯量[tex=0.857x1.214]DMUdNrOF/mm4fyYZlCEx5g==[/tex]和[tex=0.786x1.286]C1r/PpPHYBrc9/sSEmU4Zg==[/tex]：[tex=19.071x1.5]eG/q9o6QrZtCUHAIxvn+izaXojV0fxwPXh/8q8MUQ9/HBJkfWhw4oOPRGk2yGJwCUD5EJqsWJTc87E0mab+oRYsdtRMV4zeT0ZRjOIWPSJw=[/tex]
举一反三
- 求由下列曲线所围的面积（ρ=1）对坐标轴Ox和Oy的转动惯量[tex=0.857x1.214]DMUdNrOF/mm4fyYZlCEx5g==[/tex]和[tex=0.786x1.286]C1r/PpPHYBrc9/sSEmU4Zg==[/tex]：[tex=6.143x1.357]TYZO38wVeR16nX/f46E4nBUR8DN005SKflnNeN3aK3g=[/tex]
- 求由下列曲线所围的面积（ρ=1）对坐标轴Ox和Oy的转动惯量[tex=0.857x1.214]DMUdNrOF/mm4fyYZlCEx5g==[/tex]和[tex=0.786x1.286]C1r/PpPHYBrc9/sSEmU4Zg==[/tex]：[tex=8.071x1.571]h0AiFbInjcBPueZ759GD+dxC3ITQlCHUVlAe3vV3ryW2gClW/iNENuCGbrxUAgbA[/tex]
- >>>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']
- 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}
- 【计算题】5 ×8= 6×4= 7×7= 9×5= 2×3= 9 ×2= 8×9= 7×8= 5×5= 4×3= 5+8= 6 ×6= 3×7= 4×8= 9×3= 1 ×2= 9×9= 6×8= 8×0= 4×7=