设[tex=5.857x1.286]/ZR0dAzaI7eKAw6bIvA7M58pHZGw+2OYCoei6GCt4jKnUA8fDz0Dp5V6q6Qe+E/Z[/tex],确定[tex=0.5x1.286]m/VGGUpsnKNFGYXigdTc/A==[/tex],使[tex=9.929x1.286]bjnG7nzQo1uGLijNkCPTHU/v3I7Qw+oHtHefyp+/x0OcT++gNB916y9t0e7Qwq0v[/tex] .
举一反三
- 设[tex=5.857x1.286]/ZR0dAzaI7eKAw6bIvA7M58pHZGw+2OYCoei6GCt4jKnUA8fDz0Dp5V6q6Qe+E/Z[/tex],(1)求[tex=6.143x1.286]yawiFqFNRMZ/ZRG5pEYO2O+6TBLlt98eUoCA20JUzzI=[/tex],[tex=4.929x1.286]YYoux3kBOrr0oXG6Ruhoyw==[/tex],[tex=4.357x1.286]XVFgXYqJIcOWxMDF8fUe1A==[/tex];(2)确定[tex=0.5x1.286]m/VGGUpsnKNFGYXigdTc/A==[/tex],使得[tex=9.929x1.286]bjnG7nzQo1uGLijNkCPTHU/v3I7Qw+oHtHefyp+/x0OcT++gNB916y9t0e7Qwq0v[/tex];(3)设[tex=0.571x1.286]E8TCNnEPtMKJ0mC2xxh0/Q==[/tex]满足[tex=7.0x1.286]GlBMPwREMBtBPLKotOMDrnrbhevHLzxCxckRvPv1KoQ=[/tex],问[tex=0.571x1.286]E8TCNnEPtMKJ0mC2xxh0/Q==[/tex]至多为多少?
- int x = 1, y =6; A: x = 6 y = 0 B: x = 7 y = 0 C: x = 6 y = -1 D: x = 7 y = -1 E: Compilation fails.
- 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']
- 采用基2时间抽取FFT算法流图计算8点序列的DFT,第一级的数据顺序为 A: x[0],x[2],x[4],x[6],x[1],x[3],x[5],x[7] B: x[0],x[1],x[2],x[3],x[4],x[5],x[6],x[7] C: x[0],x[4],x[2],x[6],x[1],x[5],x[3],x[7] D: x[0],x[2],x[1],x[3],x[4],x[6],x[5],x[7]