The new library is open. X goes every three days. X goes every four days. After X and X3 meet in the library on March 4, what is the fastest time for them to meet again?

The new library is open. X goes every three days. X goes every four days. After X and X3 meet in the library on March 4, what is the fastest time for them to meet again?

Obviously, just find out the common multiple of 3 and 4. The common multiple of 3 and 4 is 12. Use March 4 and postpone it for 12 days. That's the time when they meet. It's March 16

What does it mean for Premier Zhou to borrow books in the library of the cultural museum in the rain?

It shows that the prime minister serves the people to the core. Of course, to serve the people, he should cherish time and constantly enrich himself,

Xiao Ming goes to the park every 6 days, Xiao Hong goes to the park every 5 days. They go to the park at the same time on November 15. May I ask what day is the next time they go to the park at the same time?

Add 30 days, it should be December 16

A comes to the park once every 4 days, has come to the park once every 6 days, C comes to the park once every 8 days. If three people go to the park together on June 1, what month and date will they go to the park together next time?

The least common multiple of 468 is 24
Then 24 days later, the three went together again
It's June 25

When what is the value of a, the value of algebraic formula 2 × (a + 1) is 15 times larger than that of algebraic formula 3 × (4-A)?

The school held the spring sports meeting, and all 48 students from May day took part in it. Now teacher Wang, the head teacher, is going to buy a bottle of soda for each student in the class, which is stipulated by the store
Every three empty bottles can be replaced with a bottle of soda, so Mr. Wang doesn't have to buy 48 bottles of soda at a time, but at least how many bottles do he have to buy to ensure that each student has one bottle?

Sell 32 bottles get 32 empty bottles have (32 bottles) for 10 bottles (10 bottles of water) and so on 12 empty bottles 4 bottles of water (4 bottles) get 4 empty bottles for 1 bottle of water (1 bottle of water) left two empty bottles borrow 1 empty bottle get a bottle of water (1 bottle) return 32 + 10 + 4 + 1 + 1 = 48 conclusion: at least 32 bottles

9 (x + 2Y) - 25 (x-2y) =? (8x-4y) (- 2x + 16y) = - 8 (2x-y) (x-8y)

The second power of 9 (x + 2Y) - the second power of 25 (x-2y)
=[3(x+2y)+5(x-2y)][3(x+2y)-5(x-2y)]
=(3x+6y+5x-10y)(3x+6y-5x+10y)
=(8x-4y)(16y-2x)
=8(2x-y)(8y-x)
=-8(2x-y)(x-8y)

Xiao Ming and some children went to a fast food restaurant for dinner. They bought 10 hamburgers and chips, which cost 80 yuan. How many hamburgers and chips did they buy?
Xiao Ming and some children go to a fast food restaurant for dinner. They bought 10 hamburgers and French fries for 80 yuan. How many hamburgers and French fries did you buy? [hamburger 10 yuan, French fries 6 yuan]

What about the unit price of hamburgers and chips?

Prove the problem; also only a + 2B = 0, positive: A ^ 3 + 2Ab (a + b) + 4B ^ 3 = 0

A car can travel 80 km / h on the expressway from place a to place B. the driver estimates that if the speed is increased by 20%, it will take 0.5 hours more,
What is the distance between a and B

Assuming that the distance between a and B is XKM, the original travel time is 80 ㎞, then the required time is: X / 80 hours, now the speed is increased by 20%, and the speed after the increase is: 80 × (1 + 20%) = 96 (km / h), so the required time after the increase is: X / 96 hours