选择题:Who will support your travelling?A、My parents will

题目内容:
Who will support your travelling?
A、My parents will suppot my travelling.
B、I have a bank statement.
C、I travel with my friend.
D、I like travelling.

参考答案:

[计算题,10分]将函数展开成x的幂级数,并指出展开式的收敛域.

[计算题,10分]将函数展开成x的幂级数,并指出展开式的收敛域.

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填空题,20分] 设 是圆柱面x2+y2=4 介于 , z=3之间部分的外侧,则 .

填空题,20分] 设 是圆柱面x2+y2=4 介于 , z=3之间部分的外侧,则 .

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