已知√0.0625=0.25,√0.625≈0.79,则√62.5的值为?
问题描述：
已知√0.0625=0.25,√0.625≈0.79,则√62.5的值为?
答
√62.5
=√(0.625×100)
≈0.79×10
=7.9
答
已知√0.0625=0.25,√0.625≈0.79,则√62.5的值为7.9