题目若40.40=6.356\sqrt{40.40}=6.35640.40=6.356,则0.404=()\sqrt{0.404}=\left( \right)0.404=()A.63.5663.5663.56B.0.0063560.0063560.006356C.635.6635.6635.6D.0.63560.63560.6356知识点：算术平方根章节：数与式 / 无理数与实数
