Joke Collection Website - Talk about mood - If the number 7 is written at the right end of a number, the number increases by 70,000. What is this number? Tell me the specific method. Thank you.
If the number 7 is written at the right end of a number, the number increases by 70,000. What is this number? Tell me the specific method. Thank you.
10x+7-x=70000
x=7777
The number 7 written on the right end of a number is equivalent to the number becoming 10 times its original value. There are 7 more and 7000 more at the same time, which means that 9 times the original number is 7 less than 70000
(70000-7)/9=7777
- Related articles
- Also said that the sea
- How to send a circle of friends sentence when there is a power outage
- A word of holding hands for a lifetime
- Wechat aestheticism says modal phrases. People's warmth and coldness, which some people can understand, is a kind of happiness.
- What is the learning route of JAVA front-end development?
- What color clothes are you wearing today?
- What are the benefits of head treatment?
- Seclusion and advocating classical Chinese translation
- What are the ingenious and incisive sentences?
- What are the characteristics of people with type O blood?