计算,48°39′+67°31′

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计算,48°39′+67°31′
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计算,48°39′+67°31′
计算,48°39′+67°31′

计算,48°39′+67°31′
48°39′+67°31′
=(48°+67°)+(39'+31')
=115°+70'
=115°+1°10'
=116°10'
这种题解法:度加度,分加分,分加完化为度!

=48°+67°+(39′+31′)
=115°+70'
=116°10

好好读书!!!

就是度加度,分加分48°39′+67°31′
=(48°+67°)+(39'+31')
=115°+70'
=115°+1°10'
=116°10'
然后化成统一的单位呗。很简单的。

48°39′+67°31′
=(48°+67°)+(39'+31')
=115°+70'
=115°+1°10'
=116°10

=48°+67°+(39′+31′)
=115°+70'
=116°10