小学教育 我也请教一题 Christin's age is equal to three times her age in 3 years' time minus three times her age 3 years ago. How old is Christin? A 10. B 12. C 15.D 18. 本人实在是被这英文给绕晕了，谁能帮忙翻译一下中文，谢谢 评论 x = 3...澳洲华人论坛 日期：2020-05-09
