设[tex=5.071x2.929]4HdNp+8uldlFnb2+0zUGRQq/7Jg8Ta9erROPR5Gqz6qxRd/CDPYTIg7V+VvIOzNg5SfWylstHmdnExX9ZzWKpPJcLwSlimkahGMueO6N3UI=[/tex],[tex=5.0x2.929]wK/tDmUX/6mGW6f2tpIfaiyLL6LI5xMoCjyiGBCdFg/TOVahBAV/fJu+wnqxT4jsqUo1pOXQQ1RDcPzA3KVmD+A/j3GhwiVk6zPURZjvGe4=[/tex], 当 [tex=1.429x1.286]+fmtub6g+tF54Tl5ap2zBg==[/tex] 为何值时,存在矩阵 [tex=0.857x1.286]8SPdC3cgwrR8itn7k6axzQ==[/tex] 使得 [tex=6.571x1.286]G/wVuF89pjkYYi4C89r9B0rrgFud0+LxhLPkilic9IV/E9yhXo6Gf1qa5aboiawxrMW0PGT7/0fiHr9nFUIuUA==[/tex], 并求所有矩阵 [tex=0.857x1.286]8SPdC3cgwrR8itn7k6axzQ==[/tex]。(本题满分11分)
举一反三
- 【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=
- 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=5.071x2.929]4HdNp+8uldlFnb2+0zUGRQq/7Jg8Ta9erROPR5Gqz6qxRd/CDPYTIg7V+VvIOzNg5SfWylstHmdnExX9ZzWKpPJcLwSlimkahGMueO6N3UI=[/tex],[tex=5.0x2.929]wK/tDmUX/6mGW6f2tpIfaiyLL6LI5xMoCjyiGBCdFg/TOVahBAV/fJu+wnqxT4jsqUo1pOXQQ1RDcPzA3KVmD+A/j3GhwiVk6zPURZjvGe4=[/tex],当a,b为何值时,存在矩阵C使得[tex=6.571x1.286]G/wVuF89pjkYYi4C89r9B0rrgFud0+LxhLPkilic9IV/E9yhXo6Gf1qa5aboiawxrMW0PGT7/0fiHr9nFUIuUA==[/tex],并求所有矩阵C。
- 输出九九乘法表。 1 2 3 4 5 6 7 8 9 --------------------------------------------------------------------- 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 9*2=18 9*3=27 9*4=36 9*5=45 9*6=54 9*7=63 9*8=72 9*9=81