23°41′34′′×3等于?
问题描述：
23°41′34′′×3等于?
答
23°41′34′′×3
=69°123′102′′
=69°+123′+60"+42"
=69°+123′+1'+42"
=69°+124′+42"
=69°+120'+4′+42"
=69°+2°+4′+42"
=71°+4′+42"
=71°4′42"