• 2022-06-07
    证明:在每一点都不连续的狄利克雷函数[tex=5.357x2.786]7yll5VImfLbHVeVMaHM4DK8Ykz+edcsvEO30P8hG8lRLkfzljAzS/P+thR5dZO77wWnK/IFa2AlvSg6l2b7Xxg==[/tex][tex=5.643x2.714]irMnVPLkqbzPQJSayk+3+0Sang5yJxKjFK8nzXPv2IWugPhCDbJ62UBXCNxwssOEcKoxDMgExFJcLRG1ejujkg==[/tex]满足方程[tex=3.5x1.429]gc269xbFiXVOeeLB2iY2Pg==[/tex].