计算:(43°13′28〃÷2-10°5′18〃)×3

问题描述:

计算:(43°13′28〃÷2-10°5′18〃)×3

(43°13′28〃÷2-10°5′18〃)×3
=(21°36'44''-10°5'18'')*3
=11°31'26''*3
=34°34'18''
关键就是:1°=60' 1'=60'' 慢慢来