计算(180°—91°32′24〃)÷3和34°25′×3+35°42′

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计算(180°—91°32′24〃)÷3和34°25′×3+35°42′
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计算(180°—91°32′24〃)÷3和34°25′×3+35°42′
计算(180°—91°32′24〃)÷3和34°25′×3+35°42′

计算(180°—91°32′24〃)÷3和34°25′×3+35°42′
29‘29’12
138‘57’0

29°29′12″
138°57′

(180°-91°32'24'')÷3
=88°27'36''÷3
=87°87'36''÷3
=29°29'12''

34°25'×3+35°42'
=102°75'+35°42'
=137°117'
=138°57'

度分秒之间转换进制是60,第一个29°29′12〃