well~my Maths&Stat.examination will be coming on the coming Monday quite relax because this subject is quite easy for me however I am really a lazy guy actually I planned to do my revision on M&S Yesterday but I played the whole day yesterday= =" I get start this morning so poor os that I realize I have forgotten several equations...... and the equations which I have stored in my calculator I can't remember how to rearrange them....o my god！ I am so silly！！！！ --

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