0.5°=________′=________″
23°30′=________°
3.76°=________°________′________″
25.72°=________°________′________″
15°48′36″=________°
3600″=________′=________°
网友回答
30 1800 23.5 3 45 36 25 43 12 15.81 60 1
解析分析:根据1°=60′,1′=60″,1″=()′,1′=()°进行计算即可.
解答:∵0.5°=0.5×60′=30′,30′=30×60″=1800″,
∴0.5°=30′=1800″,
∵30÷60=0.5,
∴23°30′=23.5°;
∵0.76×60=45.6,0.6×60=36.
∴3.76°=3°45′36″,
∵36÷60=0.6,
48.6÷60=0.81,
∴15°48′36″=15.81°,
∵3600÷60=60,60÷60=1,
∴3600″=60′=1°
故