Solution: Method 1: Step by step method:
If all the cards of 10 are 5 cents, then the amount of money should be: 5× 10=50 cents, which is 5 cents. Less money than the question: 75-50=25 points.
Five points plus five points will become 1 1 corner ticket, and * * change: 25÷5=5 (1 corner ticket). There are10-5 = five 5-point tickets (5-point tickets).
Method 2: Make up the numbers by drawing. See figure 15-5 (1) and (2).
(1) Draw them all into 5 points first: (Go to the website)
/b/7591426.htmlrectangular colored paper has four corners. How many corners are left after cutting off one corner along a straight line?
A: Depending on the cutting method, you can leave 5, 4 or 3 corners, as shown in the following figure (go to the following website).
The article is reproduced from 5 1.com:
The article is reproduced from 5 1.com: