Current location - Training Enrollment Network - Mathematics courses - In the class, I specially trained 22 pages of sixth grade mathematics how to do the comparison (on question 2.3.4)
In the class, I specially trained 22 pages of sixth grade mathematics how to do the comparison (on question 2.3.4)
The first three questions are based on the basic property of proportion (the product of two internal terms equals the product of two external terms) solution ratio.
The last question, first find the width of the rectangle according to the proportion, and then find the circumference.