计算13度16'乘5-19度12'除以6

问题描述:

计算13度16'乘5-19度12'除以6

62度18‘

13°16′×5-19°12′÷6
=(13°×5+16′×5)-(18°+72′)÷6
=(65°+80′)-(3°+12′)
=66°20′-3°12′
=63°8′