A toy?A handbag?Riddles( 谜语 ): I am very old now. I was born in China. Many people used me for calculating in the past, but now I am a bit lonely because they don’t like me now. Do you know who I am?abacusRiddles( 谜语 ): I am very small. I can be used for calculating. In China, a lot of stu...

时间:2024-11-20 19:17栏目:中学教育