(1)23°30〃=_°;78.36°=___°____′____〃; (2)52°45′-32°46′=___°___′
问题描述:
(1)23°30〃=_°;78.36°=___°____′____〃; (2)52°45′-32°46′=___°___′
答
(1)23°30〃=23.5_°;78.36°=_78__°_21___′__36__〃; (2)52°45′-32°46′=__19_°_59__′