用度表示 (1)38°24′=______; ( 2)56°45′36″= _______.
问题描述:
用度表示 (1)38°24′=______; ( 2)56°45′36″= _______.
答
38.4度 56.76度
答
(1)38°24′
=38°24/60°
=38.4°
( 2)56°45′36″
= 56°45′36/60'
=56°45.6′
=56°45.6/60°
=56.76°