题目观察式子71=77^{1}=771=7,72=497^{2}=4972=49,73=3437^{3}=34373=343,74=24017^{4}=240174=2401,75=168077^{5}=1680775=16807,76=117649…7^{6}=117649\ldots76=117649…那么720247^{2024}72024的结果的个位数字是( )A.333B.111C.777D.999知识点:尾数特征(二)章节:未标注