②(180°-91°32′24″)÷3

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/14 08:51:49
②(180°-91°32′24″)÷3

②(180°-91°32′24″)÷3
②(180°-91°32′24″)÷3

②(180°-91°32′24″)÷3
刘孀冰子 :
(180°-91°32′24″)÷3
=(179°59′60″-90°32′24″)÷3
=89°27′36″÷3
=87°147′36″÷3
=29°49′12″
祝好,再见.

②(180°-91°32′24″)÷3
=88°27′36″÷3
=87°(27+60)′36″÷3
=87°87′36″÷3
=29°29′12

(180°-91°32′24″)÷3
=(179°+60'+60"-91°-32′-24″)÷3
=(88°+28′+36″)÷3
=(87°+60'+27′+60"+36″)÷3
=29°+20′+9'+20"+12″
=29°29′32″

②(180°-91°32′24″)÷3
=88°27′36″÷3
=29°29′12″