计算:20°15′24″×3= 56°47′+45°18′-74°30″【详细过程】谢啦!!!
2个回答
展开全部
20°15′24″×3+ 56°47′+45°18′-74°30″?
=60°45′72″+ 56°47′+45°18′-74°30″
=60°+45'+72″+ 56°+47′+45°+18′-74°-30″
=60°+ 56°+45°-74°+45'+47′+18′+72″-30″
=87°+60'+50'+42″
=87°+(60/60)°+50'+42"
=87°+1°+50'+42"
=88°+50'+42"
=88°50'42"
=60°45′72″+ 56°47′+45°18′-74°30″
=60°+45'+72″+ 56°+47′+45°+18′-74°-30″
=60°+ 56°+45°-74°+45'+47′+18′+72″-30″
=87°+60'+50'+42″
=87°+(60/60)°+50'+42"
=87°+1°+50'+42"
=88°+50'+42"
=88°50'42"
已赞过
已踩过<
评论
收起
你对这个回答的评价是?
推荐律师服务:
若未解决您的问题,请您详细描述您的问题,通过百度律临进行免费专业咨询