①∵24″÷60″=0.4′，0.4′+44′=44.4′，44.4′÷60′=0.74°，0.74°+8°=8.74°，∴8°44′24″用度表示为8.74°．②∵110.32°中0.32×60′=19.2′，0.2′=0.2×60′=12″，∴110.32°用度、分、秒表示为110°...