第28页

信息发布者:
57
19
12
27.24
12.3
100
​$ \frac {5}{3}$​
解:原式=78°73'
=79°13'
解:原式=24°50'
解:原式=179°59'60''-48°39'40''
=131°20'20''
解:原式=114°147'
=116°27'
解:原式=165°75'80''
=166°16'20''
解:原式=22°30'
解:原式=68°62'-16°21'
=52°41'
解:原式=130°87'60''-51°32'15'' =79°55'45''
解:原式=105°80'67'' =106°21'7''
解:原式=102°75'+35°42'
=137°117'
=138°57'