2018-2019学年度人教版选修二Unit 3 Computers-Reading课件 (共43张PPT)
2018-2019学年度人教版选修二Unit 3 Computers-Reading课件 (共43张PPT)第4页

 I am very small. I can be used for calculating. In China, a lot of students use me when solving mathematical(数学的) problems. Do you know who I am?

Calculator ['kælkjuleitə]