问题描述: 数学题:(180°-91°32'24'')÷3 34°25'×3+35°42' 1个回答 分类:数学 2014-10-09 问题解答: 我来补答 (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' 展开全文阅读