46°42'+35.4°-28°27'16''等于好多!

来源：学生作业帮助网 编辑：作业帮 时间：2024/05/28 15:58:36

46°42'+35.4°-28°27'16''等于好多!

原式=46°42'+35°24'-28°27'16''
=82°6'-28°27'16''
=81°65'60''-28°27'16''
=53°38'44