计算下列各积分（利用留数; 圆周均取正向）[p=align:center][tex=6.143x2.786]DxP+dllryumTdYfUjf+7XAGi5SU/ojWeUUgZFttIV+L/AUyukRvaczhWetJzDPya[/tex]
计算下列各积分（利用留数; 圆周均取正向）[p=align:center][tex=6.143x2.786]DxP+dllryumTdYfUjf+7XAGi5SU/ojWeUUgZFttIV+L/AUyukRvaczhWetJzDPya[/tex]
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