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Jingzhou China Fire and Rescue Academy score 2020
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Jingzhou China Fire Academy ranked in the top 10

Learning is not just about preparing for exams, but more importantly about really mastering firefighting knowledge and skills. Participate in more practical training and simulation drills to improve your practical operation ability.

在线平方计算工具介绍:

1、平方是一种运算,比如,a的平方表示a×a,简写成a2,也可写成a×a。

2、例:2的平方为:2×2=4;6的平方为:6×6=36。

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