题目已知2.061≈1.435\sqrt{2.061}≈1.4352.061≈1.435,20.61≈4.539\sqrt{20.61}≈4.53920.61≈4.539,则20610≈(\sqrt{20610}≈(20610≈()A.14.3514.3514.35B.143.5143.5143.5C.45.3945.3945.39D.453.9453.9453.9知识点:算术平方根章节:数与式 / 无理数与实数