看来我家娃胆小也有好处，从小学开始所有学的公式定理自己都要一步步推导证明，不然他用起来可能不放心 LOL

来源: 麻辣串串于 2024-04-14 20:39:54 [旧帖] [给我悄悄话] 本文已被阅读：次

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