30°19′21〃+15°40′42〃
来源:学生学帮网 编辑:学帮网 时间:2024/07/07 23:13:05
30°19′21〃+15°40′42〃
30°19′21〃+15°40′42〃
=(30+15)°(19+40)'(21+42)"
=45°59'63"
=45°60'3"
=46°0'3"
的期望的权威地区
30°19′21〃+15°40′42〃
30°19′21〃+15°40′42〃
=(30+15)°(19+40)'(21+42)"
=45°59'63"
=45°60'3"
=46°0'3"
的期望的权威地区