第一种（Thank you for helping us learning mathematics）
第二种（Thanks you to help us to study mathematics）
第二种（Thanks you to help us to study mathematics）
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第1个回答 2011-09-17
thank you for helping us learn mathmatics.
you are really a big help of me in learning mathmatics.
推荐一楼的，准确到位。
you are really a big help of me in learning mathmatics.
推荐一楼的，准确到位。
第2个回答 2011-09-17
We study math.
Math is our major.
Math is our major.
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