/sy6b/ index.htm

catalogue

1 negative number

2 cylinders and cones

1. cylinder

Step 2: Cone

3 ratio

The Significance and Basic Properties of 1. Proportion

2. The meaning of positive proportion and inverse proportion

3. The application of proportion

Math in a bicycle

4 Statistical data

5 mathematical wide angle

Please?Save?Water

6 sorting out and reviewing

1. Numbers and Algebra

2. Space and graphics

3. Statistics and probability

4. Comprehensive application

[This electronic textbook is for reference only. If there are differences, please refer to the latest paper textbooks. ]