十五度二十三分十八秒乘四等于多少?

2025-04-26 22:47:39
推荐回答(1个)
回答1:

解:(15°23'18")×4
=15°×4+23'×4+18"×4
=60°+92'+72"
=60°+1°32'+1'12"
=61°33'12"