Xiao Ming has one eighth more stamps than Xiao Li. Xiao Li has 12 fewer stamps than Xiao Ming. How many stamps does Xiao Li have

Xiaoli = 12 △ 1 / 8 = 96 pages

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1. Xiao Li has 50 stamps. Xiao Ming has 20% more stamps than Xiao Li. Xiao Ming has several more stamps than Xiao Li
2. Xiao Ming and Xiao Li collect stamps. Xiao Ming collects 1.5 times more stamps than Xiao Li. Xiao Ming collects 20 more stamps than Xiao Li. How many stamps have they collected? What's the formula
3. Xiaoming has 50 stamps. Xiaoli has 4 more stamps than 3 / 5 of Xiaoming's. how many stamps does Xiaoli have?
4. Xiaohong and Xiaoqiang start from home at the same time. Xiaohong walks 52 meters per minute and Xiaoqiang 70 meters per minute. They meet at a on the way. If Xiaohong starts 4 minutes ahead of schedule and Xiaoqiang walks 90 meters per minute, they still meet at a. how many meters are Xiaohong and Xiaoqiang's homes apart?
5. Xiaohong and Xiaoqiang start from home at the same time. Xiaohong walks 52 meters per minute and Xiaoqiang 70 meters per minute. They meet at a on the way. If Xiaohong starts 4 minutes ahead of schedule and Xiaoqiang walks 90 meters per minute, they still meet at a. how many meters are Xiaohong and Xiaoqiang's homes apart?
6. Xiaohong and Xiaoqiang start from home at the same time. Xiaohong walks 52 meters per minute and Xiaoqiang 70 meters per minute. They meet at a on the way. If Xiaohong starts 4 minutes ahead of schedule and Xiaoqiang walks 90 meters per minute, they still meet at a. how many meters are Xiaohong and Xiaoqiang's homes apart?
7. Xiaoming and Xiaoli set out from a and B, 8km apart, and walked in opposite directions. It is known that Xiaoming's speed is 50M / min, and Xiaoli's speed is 40m / min. one hour after Xiaoming set out, Xiaoli started to set out with a pet dog. The dog shuttled back and forth between them until they met. How many kilometers did the dog run? (the known speed of the dog is 90m / min)
8. A bedroom is rectangular. The distance on the picture is 3cm wide and 4cm long. What is the actual area? The scale is 1:100
9. A building with a scale of 1:100 is 60 cm in length and 4:1 in width. What is the actual building area of this building What's the formula
10. A drawing of a building with a scale of 1:100 shows that its length is 60cm and the ratio of length to width is 4:1. What is the actual floor area of the building?
11. Xiao Ming and I have collected 120 stamps. The number of stamps I collected is 3 / 7 of Xiao Ming's. how many stamps have Xiao Ming and Xiao Li collected? It's an equation!
12. Xiaoli and Xiaona use playing cards to play games. One card in Xiaoli's hand is Wang. The probability that Xiaona draws Wang from Xiaoli's hand is 1 / 9. Try to find the number of cards in Xiaoli's hand
13. Xiaoli and Xiaogang play checkers. They decide who will go first by playing cards. There are 13 cards in total. The points are 1-13. Do you think the fair rule is () A singular Xiao Li goes first, even Xiao Gang goes first If B is greater than 7, Xiao Li will go first, and if B is less than 7, Xiao Gang will go first The multiple of C 2, Xiao Li goes first, and the multiple of 3, Xiao Gang goes first If D is less than 3, Xiaoli will go first; if D is more than 10, Xiaogang will go first
14. Xiaogang and his classmates play a card game. First, they divide the cards into three piles: left, middle and right. The number of cards in each pile is equal to or more than two. Then they go through the following steps Take a card from the left pile and put it in the middle pile, Take three cards from the middle pile and put them in the right pile As many cards as there are in the middle pile, take from the left pile and put them into the middle pile of tribes. At this time, what is the number of cards in the left pile?
15. Playing card game: Xiao Ming's back to Xiao Liang, let Xiao Liang operate according to the following four steps: the first step & nbsp; distribute the left, middle and right three piles of cards, each pile has the same number of cards, and no less than two cards; the second step & nbsp; take out two cards from the left pile and put them in the middle pile; the third step & nbsp; take out one card from the right pile and put it in the middle pile; the fourth step & nbsp; There are several cards in the left pile, so take a few cards from the middle pile and put them into the left pile. At this time, Xiao Ming accurately said the current number of cards in the middle pile. What do you think is the current number of cards in the middle pile? Explain your reasons
16. Playing card game: Xiao Ming's back to Xiao Liang, let Xiao Liang operate according to the following four steps: the first step & nbsp; distribute the left, middle and right three piles of cards, each pile has the same number of cards, and no less than two cards; the second step & nbsp; take out two cards from the left pile and put them in the middle pile; the third step & nbsp; take out one card from the right pile and put it in the middle pile; the fourth step & nbsp; There are several cards in the left pile, so take a few cards from the middle pile and put them into the left pile. At this time, Xiao Ming accurately said the current number of cards in the middle pile. What do you think is the current number of cards in the middle pile? Explain your reasons
17. Playing card game: Xiaoming's back to Xiaoliang, let Xiaoliang operate according to the following four steps: first, distribute the left, middle and right three piles of cards, each pile of cards is no less than two, and the number of each pile of cards is the same; second, take out two cards from the left pile and put them in the middle pile; third, take out one card from the right pile and put it in the middle pile; fourth, there are several cards in the left pile, Just take a few cards from the middle pile and put them into the left pile. At this time, Xiao Ming accurately says the number of cards in the middle pile. Do you think the number of cards in the middle pile is () I think it's difficult to solve this problem. It's estimated that it's the IQ reason T ^ t,
18. Xiaoming and Xiaoli play poker game 'calculate 24'. Each of them plays two cards. The four cards are 2, 2, 9 and 3. Please list two different calculation tests and help them calculate 24! How to calculate
19. On teacher's day this year, Xiao Hong used color coated paper to make semicircular greeting cards, sharing 41.12cm long color rope. How many square centimeters of color cardboard did she use?
20. On teacher's day this year, Xiao Hong made a semicircle for her teacher with colored cardboard. In order to make it beautiful, he bought colored rope to glue it to the outside of the card, It took 41012cm long colored rope to make this card. How many square centimeters of colored cardboard did he use? The content is clear, neat and clear Wrong! It's 41.12cm