21°20′除以1/6=?
问题描述:
21°20′除以1/6=?
答
21°20′除以1/6
=21°20'×6
=126°120'
=128°
21°20′除以1/6=?
21°20′除以1/6
=21°20'×6
=126°120'
=128°