Module 2 Amazing things Unit 4 Numbers课件(共19张PPT)+内嵌视频.pptx
Module 2 Unit 4
Numbers
STUDY
Reading:Numbers: Everyone’s language ②
Watch the video clip.
Because we can’t calculate all maths problems ourselves.
Answer the questions.
5. What does an electronic calculator allow us to do?
The Indians.
2. What inventions are mentioned in the video clip?...