计算 1/2(180°-69°42′)+13°28′40″*3

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计算 1/2(180°-69°42′)+13°28′40″*3
x){nu 4 - m5

计算 1/2(180°-69°42′)+13°28′40″*3
计算 1/2(180°-69°42′)+13°28′40″*3

计算 1/2(180°-69°42′)+13°28′40″*3
原式=1/2*111°18'+13°28′40″*3
=55°39'+40°26'
=96°5'