24,157,290,323,456,589,622,755,888,921
{87,54,21,88,55,22,89,56,23,90}
关键是“抽取的规则”①24,157,290,323,456,589,622,755,888,921,②“x+33k”的后两位数等于87,应讨论k=0,1,…,9.解方程即可:x取值:87,54,21,88,55,22,89,56,23,90.
24,157,290,323,456,589,622,755,888,921
{87,54,21,88,55,22,89,56,23,90}
关键是“抽取的规则”①24,157,290,323,456,589,622,755,888,921,②“x+33k”的后两位数等于87,应讨论k=0,1,…,9.解方程即可:x取值:87,54,21,88,55,22,89,56,23,90.