3 multiplied by 9 equals 27. 3乘以9等于27. it takes danny about 20 minutes to get to school. Danny去学校要花20分钟. don't make a noise in the library. 别在图书馆里制造噪音. what was wrong? 有什么问题吗?
3 multiplied by 9 equals 27. 3乘9=27 it takes danny about 20 minutes to get to school 丹尼去学校大约需要20分钟 don't make a noise in the library 不要在图书馆制造噪音 what was wrong? 怎么了?