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113基隆女中

2.
900k=11k 之整數部分為   
https://math.pro/db/viewthread.php?tid=156&page=1#pid3048

5.
xy為實數,試求(x32siny)2+(x22cosy)2 的最小值   

10.
空間坐標中,滿足23x+2yz53 224x7y5z62 62xy+3z76 的所有點(xyz)所形成的立體圖形為,則的體積為   
https://math.pro/db/viewthread.php?tid=924&page=1#pid1993
https://math.pro/db/viewthread.php?tid=709&page=4#pid16309

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