用度表示下列各角.(1)37°36″;(2)51°6′;(3)15°24′36″
用度表示下列各角.(1)37°36″;(2)51°6′;(3)15°24′36″....
用度表示下列各角.(1)37°36″;(2)51°6′;(3)15°24′36″.
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(1)37°36″=37°+(
)′
=37°+0.6′
=37°+(
)°
=37°+0.01°
=37.01°;
(2)51°6′=51°+(
)°
=51°+0.1°
=51.1°;
(3)15°24′36″=15°24′+(
)′
=15°24′+0.6′
=15°+24.6′
=15°+(
)°
=15°+0.41°
=15.41°.
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