设[tex=4.429x1.214]W1uTpzbbehOOliAP2ns4cw==[/tex] 都是[tex=0.643x0.786]SBMIs+VUk7//BOpfqlQl0w==[/tex] 阶方阵,[tex=8.929x1.214]1FNc07kDow5egXRYL8+GLIk7vDMrbYttx818/g+jV6q6QtJ9Gh6nv1VcLLQ/dBbjNchFbeZsyfahzs7UlvpmUrQ4prQbVDwkBK0ZUgOjgw0=[/tex],且[tex=3.143x1.357]jmW/UUDE3QEpfgsRbhrpUQ==[/tex],若[tex=6.429x2.786]PIak5GQdBqGUzEAptxxv/Z8SaMnYrAfVK2xH70RinvoRAo9mJps9nCyiEGu0xfuhSM0KJ5kNq/GK7j9LCYCwzg==[/tex],求证:[tex=6.714x1.357]Eg85/bKr5EFuE5mFPEmoaSu70vGsYdU89+dKRhtbDUs=[/tex]
举一反三
- 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']
- 【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=
- 设[tex=4.429x1.214]W1uTpzbbehOOliAP2ns4cw==[/tex]都是[tex=0.643x0.786]SBMIs+VUk7//BOpfqlQl0w==[/tex] 阶方阵,且[tex=3.714x1.0]MAuhFkvlOKAcUPNAmJx/oQ==[/tex],证明:[tex=9.643x2.786]Uyz5s0rmQIddjb5Jc2T/YSwnwxLJ9Z0Yd88BZD2//sramD6rSrLmaXcDSI7d7lwkOk2AYXOCq2cjVdbU4QyEjRDtLJaybbZwv8oG6Cr9V4g=[/tex] (1)
- 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 。