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)
举一反三
- 设[tex=4.429x1.214]W1uTpzbbehOOliAP2ns4cw==[/tex]为[tex=0.643x0.786]SBMIs+VUk7//BOpfqlQl0w==[/tex]阶矩阵，且[tex=0.786x1.0]Yn3GgEZev6SOu2r4v1WnCw==[/tex]可逆，[tex=3.714x1.0]MAuhFkvlOKAcUPNAmJx/oQ==[/tex]，证明[tex=9.643x2.786]Uyz5s0rmQIddjb5Jc2T/YRd9exX63872DgLG3it+eRA4jyxpzsJs9AO2ePRWjqmQFpWcrISvmUMO1aYjcaW3M/ZuDdes+o1ZXeyF+wyNlPU=[/tex] .
- 设[tex=4.429x1.214]jR8POt5zCPHNh36sbaTE/A==[/tex]都是数域[tex=0.857x1.0]eMszuSG5by5UfRZVROYp5A==[/tex]上的[tex=0.643x0.786]SBMIs+VUk7//BOpfqlQl0w==[/tex]级矩阵，且[tex=3.714x1.0]sFM5phea1FPTO6duvP4I7w==[/tex].证明：[tex=9.643x2.786]Uyz5s0rmQIddjb5Jc2T/YSwnwxLJ9Z0Yd88BZD2//sramD6rSrLmaXcDSI7d7lwkOk2AYXOCq2cjVdbU4QyEjRDtLJaybbZwv8oG6Cr9V4g=[/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']
- 【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=