计算 (1)53°18'29”+47°41'31”= (2)10°10'-3°27'30”=

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计算 (1)53°18'29”+47°41'31”= (2)10°10'-3°27'30”=
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计算 (1)53°18'29”+47°41'31”= (2)10°10'-3°27'30”=
计算 (1)53°18'29”+47°41'31”= (2)10°10'-3°27'30”=

计算 (1)53°18'29”+47°41'31”= (2)10°10'-3°27'30”=
1.原式=101度

(1)53°18'29”+47°41'31”=101°0′0″
(2)10°10'-3°27'30”=6°42’30’’
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101度