计算78°28′36〃÷3

问题描述:

计算78°28′36〃÷3
26°25′×3+35°45′

78°28′36〃÷3
=(78*3600+28*60+36)〃÷3
=282516〃÷3
=94172〃
=26°9′32〃
26°25′×3+35°45′
=79°15′+35°45′
=115°