喜欢难的,听说大学有honor calculus,就是我们大学里的数学分析。可以重来。
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• no. My son is not good at maths; he probably will avoid -Smart- ♂ (73 bytes) () 10/29/2017 postreply 11:57:57
• no. My son is not good at maths; he probably will avoid -Smart- ♂ (73 bytes) () 10/29/2017 postreply 11:57:57