卖UA 数学120 125 225 的书， 赠送notez

small_papa_bear

如题， 35 ， 除了壳子比较旧 ， 里面一个字也没有， 非常新。
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曾送
" P. d+ ?' y6 x8 g# Y; C数学125 225 notez 。

暖然

问下，125学完是不是要学225？

small_papa_bear

原帖由 暖然 于 2008-12-13 18:05 发表
& F5 o+ G! R# c3 y问下，125学完是不是要学225？

5 ]2 l, N- e9 V' m6 s# wnot really , depends, but if you  are in math majoy or minor , it is usually a required course.
but take it easy , 225 is not that hard, personally i think it is easier than math 214 and 215 and 253.
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math is not my majoy or minor, so i didn't take 300 level classes...