感叹一下俺的数学是在是臭啊，AMC8的小学东东不用代数都不会做。怪不得我娃输在起跑线。

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.

Copyright ©1998-2024 wenxuecity.com All rights reserved. Privacy Statement & Terms of Use & User Privacy Protection Policy