Các câu hỏi tương tự
Jeff ,Joshand Justin have 4 apples in total.In how many ways can it happen?(It's possible that not each of them has an apple)
sson 1. Lan in the apartment number? Lan house is in an 8 storey house, each floor has 8 apartments. One day, the class asked Lan: What is your house in the apartment? Ask me some questions, I will answer all your questions, but just say yes or no. Through these questions you try to figure out how many in the apartment Huy said: I will ask, are you in the apartment number 1, number 2, ..., No. 63. So with most 63 questions you will know which apartment you. You say, I only need 14 questions, 7 s...
Đọc tiếp
sson 1. Lan in the apartment number? Lan house is in an 8 storey house, each floor has 8 apartments. One day, the class asked Lan: "What is your house in the apartment?" "Ask me some questions, I will answer all your questions, but just say" yes "or" no. "Through these questions you try to figure out how many in the apartment" Huy said: "I will ask, are you in the apartment number 1, number 2, ..., No. 63. So with most 63 questions you will know which apartment you. You say, "I only need 14 questions, 7 sentences enough to know what floor you are on and 7 you can know exactly what you are in the apartment." Dear children, I have to ask several times to know. How are you Lan in the apartment?
Lesson 2. Game together across the bridge. Four people need to cross a bridge. Because of the weak demand, each time we go not more than two people, and because it is dark, we have to take the light. Four people walk differently, crossing the bridge with corresponding time of 10 minutes, 5 minutes, 2 minutes and 1 minute. Since there is only one lamp, each passage must be carried back to the next person. When two people go together, cross the bridge with a slower time. The following example is a way to go: - 10 minutes to go with people 5 minutes to bridge, 10 minutes to take. - 5 minutes to take the lamp back, take 5 minutes. - 5 minutes to go with people 2 minutes through the bridge, It takes 5 minutes. - 2 minutes to take the lamp back, take 2 minutes. - 2 minutes with people 1 minute over the bridge, take 2 minutes. Total time is 10 + 5 + 5 + 2 + 2 = 24 minutes. Let's try to get away with a little less time as possible, and if less than 19 minutes is great
Lesson 3. Cashmere. Mallard buys 27 apples that are identical in size and volume. However, the salesman said that of the apples on the right is a slightly lighter weight. You use a table scales on both sides to find the apple that light. The minimum number of weighs required. Let's help you find that little apple. If they find that fruit after less than 5 weightings, then it is good.
three containers A, B and C contain a total of 693 apples. First, 25 apples are taken from A and put into B. After that 32 apples are taken from B and put into C. Now each container has the same number of apples. What is the original number of apples in contrainer C? Answer: ... apples
Alex has a great collection of badges that he wants to count. He knows that he has between 120 and 150, but not the exact number. He decides to count them in fives, and he has 2 left over. He then counts them in sixes and he has 3 left over. Can you work out exactly how many badges Alex has?
A cell phone company has 6,716 customers in the United States and 8,078 customers in other countries. In total, how many customers does it have?
In a queue, the 1st member and 2nd member each received 1 apple; the 3rd and 4th member each received 2 apples; the 5th member received 3 apples. Then, the 6th and 7th members each received 1 apple; the 8th and 9th members each received 2 apples, and the 10th member received 3 apples. This pattern repeated for the remaining members of the queue. Knowing that there were 97 members in the queue, how many apples were given to them altogether? Give your answer only.
Siku has husky dogs in many different colors. He has 12dogs in total. A third of them are cinnamon and white . A quarterof them are red and white. The rest of them are gray and white. How many of huskies are gray and white
dịch giúp mình bài này với: Reading book is one of my leisure activities. It is both interesting and useful. I can get knowledge of all areas that i need and relax after school. Whenever i have free time, I read books. I like many kinds of book such as novels, comic stories and science books. I really fancy reading science books which my father gave mme on my 12th birthday. It helps me know more about the world where i live. In short, reading books not only helps me become smarter but also bri...
Đọc tiếp
dịch giúp mình bài này với:
Reading book is one of my leisure activities. It is both interesting and useful. I can get knowledge of all areas that i need and relax after school. Whenever i have free time, I read books. I like many kinds of book such as novels, comic stories and science books. I really fancy reading science books which my father gave mme on my 12th birthday. It helps me know more about the world where i live. In short, reading books not only helps me become smarter but also brings me happiness.
Ai nhanh mình tick nha!
Nếu trả lời thì kb với mình luôn nhé!
Problem 8. A cuboid container has dimensions as in the figure. The container has 54 liters of water in it. Bình wants to know a full bucket contains how many liters of water, so he pours the whole bucket of water into the container and finds that the level of the water is now 7 8 the height of the container. From that, he is able to calculate how many liters of water a full bucket contains. If the container is empty, how many buckets of water must Bình pour into the container to make it full?
Đọc tiếp
Problem 8. A cuboid container has dimensions as in the figure. The container has 54 liters of water in it. Bình wants to know a full bucket contains how many liters of water, so he pours the whole bucket of water into the container and finds that the level of the water is now 7 8 the height of the container. From that, he is able to calculate how many liters of water a full bucket contains. If the container is empty, how many buckets of water must Bình pour into the container to make it full?