设 [tex=5.5x1.214]eJy7VhH65VRts6bfN/wW0qSLr6tx3UnjbIVZOYmgwsesZVe3LfON1m5XC/ZWRrMkdqZfo1ZKqkd+xwk+em/7cg==[/tex] 且 [tex=6.0x1.429]VfJMl/JRDhUg4N/j0auYnx91sJmE1DpqMHmFSN4UNcv1AaUPUDKP71ackj4WfGz6cmsXyPO/7LbhB5qW3HMOIQ==[/tex] 证明 [tex=6.429x1.5]xCwL1gisWhYy+U3HhpeQnpuxpKvaaKsY71ahRgEEKbgjrEldmeZQ8HCIbuertm1TEa73Akr3TubOifpg3t5Ncw==[/tex] 当且仅当 [tex=5.0x1.0]t4fgzvN247twKwYp+jekqcwuLJ8TN1SFS66tsCuCbtE=[/tex].
举一反三
- 设 [tex=5.571x1.214]eJy7VhH65VRts6bfN/wW0qSLr6tx3UnjbIVZOYmgwsesZVe3LfON1m5XC/ZWRrMkgjy0XGvwUDiz8worWVhiiA==[/tex] 且 [tex=6.0x1.429]VfJMl/JRDhUg4N/j0auYnx91sJmE1DpqMHmFSN4UNcv1AaUPUDKP71ackj4WfGz6cmsXyPO/7LbhB5qW3HMOIQ==[/tex] 证明1) [tex=5.0x1.357]PF4+0fQrOtrBMOGLTbiojWHD9HeQmUzzlH8ydOx6ZwA=[/tex] 当且仅当 [tex=6.714x1.214]t4fgzvN247twKwYp+jekqaSM2F1I59tfyLmarSTXF4jE9lVv1R3jnvrDqwnb09fgUQmV/i9jvGb1VP+NNe+qqJa017u08tzfXp2iJTfc89g=[/tex]2) [tex=5.429x1.0]bm3Mth7dIBkvW5h/YcCTdo75g2LQal/3MslYLuzIX7ljVLOMmokJVQ3pqIFz3ScpDLxYC3YRlx9OGboSSdFkPA==[/tex] 当且仅当 [tex=6.429x1.214]t4fgzvN247twKwYp+jekqd5tQX6Ir1tVtuMZ4EYdcuM175TWc9SLTF5enyW9KACLFLU5unY24y0o6hpa7IDat+mjWrcIYnd8nNNZzeFfjL8=[/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}
- >>>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']
- 设 [tex=5.5x1.214]eJy7VhH65VRts6bfN/wW0qSLr6tx3UnjbIVZOYmgwsesZVe3LfON1m5XC/ZWRrMkdqZfo1ZKqkd+xwk+em/7cg==[/tex] 且 [tex=6.0x1.429]VfJMl/JRDhUg4N/j0auYnx91sJmE1DpqMHmFSN4UNcv1AaUPUDKP71ackj4WfGz6RRmrRp91TNnl3TvhdDIhoQ==[/tex] 证明若 [tex=3.714x1.0]t4fgzvN247twKwYp+jekqblKG9X3ZK/MwsmpaEouMQo=[/tex]，则 [tex=10.929x1.5]xCwL1gisWhYy+U3HhpeQnuyOCCOtv5a6998o5IJ64Mt+QJJAn0NnfAEpvPLiTnmXEOH4dS7Le48t1HMu98buJSPqQJg9/0Jl7OnIWlE0VPfH0nxSyrpL2/a5ifnN1qai[/tex].
- 输出九九乘法表。 1*1=1 2*1=2 2*2=4 3*1=3 3*2=6 3*3=9 4*1=4 4*2=8 4*3=12 4*4=16 5*1=5 5*2=10 5*3=15 5*4=20 5*5=25 6*1=6 6*2=12 6*3=18 6*4=24 6*5=30 6*6=36 7*1=7 7*2=14 7*3=21 7*4=28 7*5=35 7*6=42 7*7=49 8*1=8 8*2=16 8*3=24 8*4=32 8*5=40 8*6=48 8*7=56 8*8=64 9*1=9