若 [tex=5.786x1.357]ePNC4fQgh4WaFj+Vbyek/Yx+XiCCunoMugrlG8XRRx0=[/tex], [tex=0.571x0.786]WLga5RWgrUta8vWDwROpYA==[/tex] 为正实数,证明:(相似性质) [tex=8.286x2.357]Fx6KDP8gvh/f9ThaUicNgnuVFKFNg0XnmHHSJCkEWVR+SuN+kp16j4msXBr47poBKslXHUX3MR8Ij4hJVGZQxw==[/tex].并利用此结论,计算下列各式:求 [tex=8.286x1.357]ePNC4fQgh4WaFj+Vbyek/SB3WG76AEGTz7K93HiOPWn612BZNFOaYbKul878B11H[/tex], [tex=0.429x1.0]dX3JVuFw9r8t2KlWf+/Z+A==[/tex] 为正实数.
举一反三
- 若[tex=5.571x1.357]YR7+HQbYplWPiPQNFb8H2Q==[/tex],[tex=0.571x1.286]mRKL/orzOudCEARA8qn3Kw==[/tex]为正实数,证明(相似性质)并利用此结论,计算下列各式:求[tex=6.5x2.786]YA50KmijEuNH4bKWYe0G3S0vBRGaUUY6xWVpZmOuIpdYXq9GYVMRVWYP6B4whlOte8uZ1+Cf0V6SbUGFYnfZGg==[/tex]
- 若[tex=5.571x1.357]YR7+HQbYplWPiPQNFb8H2Q==[/tex],[tex=0.571x1.286]mRKL/orzOudCEARA8qn3Kw==[/tex]为正实数,证明(相似性质)并利用此结论,计算下列各式:求[tex=13.571x1.286]iIYVbhoO13zzLv665O11HT6ixTXvFSgvnPJKDbkntzdI0oIhpZ/Sodm1MxdwIgy+[/tex]
- 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}
- 6个顶点11条边的所有非同构的连通的简单非平面图有[tex=2.143x2.429]iP+B62/T05A6ZTM0eeaWiQ==[/tex]个,其中有[tex=2.143x2.429]ndZSw3zT0QTOVLVdoUto1Q==[/tex]个含子图[tex=1.786x1.286]J+vVZa2YaMpc6mJBbqVvWw==[/tex],有[tex=2.143x2.429]lmhx48evnQMhi03NovPXig==[/tex]个含与[tex=1.214x1.214]kFXZ1uR8GjycbJx+Ts2kyQ==[/tex]同胚的子图。供选择的答案[tex=3.071x1.214]3KinXFh3SXhZ7nIe1y9KEV6aadxhhJWeEy6Dij1iObdMUZkY6ZA5J2dVVjPSuhEf[/tex]:(1) 1 ;(2) 2 ;(3) 3 ; (4) 4 ;(5) 5 ;(6) 6 ; (7) 7 ; (8) 8 。
- 假设“☆”是一种新的运算,若3☆2=3×4,6☆3=6×7×8,x☆4=840(x>0),那么x等于: A: 2 B: 3 C: 4 D: 5 E: 6 F: 7 G: 8 H: 9