赞 why129965355 幼苗
共回答了18个问题采纳率：94.4% 举报
48°59′+57°38′
=48°+57°+59′+38′
=105º+97'
=106º37'
78°-47°34′45″
=77°60'-47°34′45″
=77°59'60''-47°34′45″
=30º25'15''
12°34′×5
=60°170′
=60°+120'+50'
=62º50
=48°+57°+59′+38′
=105º+97'
=106º37'
78°-47°34′45″
=77°60'-47°34′45″
=77°59'60''-47°34′45″
=30º25'15''
12°34′×5
=60°170′
=60°+120'+50'
=62º50
1年前 追问
2
25.5°÷4 =25°30'÷4 =6°+1/4°+7'+2/4' =6°+1/4*60'+7'+2/4*60'' =6°+15'+7'+30'' =6º22'30'' 还有问题的话私信我,先采纳,谢谢,祝你学习进步(*^__^*) ……
zhouqiyun8 幼苗
共回答了1个问题 举报
48°59′+57°38′
=48°+57°+59′+38′
=105º+97'
=106º37'
78°-47°34′45″
=77°60'-47°34′45″
=48°+57°+59′+38′
=105º+97'
=106º37'
78°-47°34′45″
=77°60'-47°34′45″
1年前
2
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