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Super simple math problem 1. The price of basketball has been reduced by 20%. Do you know what the original price is? The current price of basketball is 40 yuan 2. There are 912 people in hope primary school today, 4% of them are absent. How many people are absent on this day? How many people are absent in the whole school? 3. There is a batch of clothes. 300 pieces were sold in the first day, 20% more in the second day than in the first day, and 34% of them were sold out in the third day. How many pieces are there in total? 4. Xiaoshi finished reading 30 pages of the book on the first day, 20% on the second day, and there are 60 pages left. How many pages are there in this book? Help! Add +++++++++++++++++++++++++++++++++++++ How many will you write
1. The price of basketball has been reduced by 20%. Do you know what the original price is? The current price of basketball is 40 yuan
40/(1-20%)
=40/80%
=50 yuan
2. There are 912 people in hope primary school today, 4% of them are absent. How many people are absent on this day? How many people are absent in the whole school?
Total number of students in the school
=912/(1-4%)
=912/96%
=950
Number of absentees on the day
=950*4%
=38
3. There is a batch of clothes. 300 pieces were sold in the first day, 20% more in the second day than in the first day, and 34% of them were sold out in the third day. How many pieces are there in total?
Sell 300 * (1 + 20%) = 300 * 120% = 360 pieces the next day
The total number of clothes in this batch is 100
(300+360)/(1-34%)
=660/66%
=1000 pieces
4. Xiaoshi finished reading 30 pages of the book on the first day, 20% on the second day, and there are 60 pages left. How many pages are there in this book?
There are 60% left!
30/(1-20%-60%))
=30/20%
=150 pages
Seek & sum
8-#=6 &/8=4
#=( ) &=( )
#=( 2 ) &=( 32 )
As shown in the figure, omobon is the three rays in the triangle AOC. OMON is the triangle AOB, the bisector of triangle · BOC, ∠ NOC is three times of ∠ AOM, and ∠ Bon is 20 and 186 times larger than ∠ mob. Calculate the degree of ∠ AOC
OMON is the bisector of triangle AOB and triangle BOC respectively
Z then ∠ AOM = ∠ mob ∠ NOC = ∠ bon
Because ∠ NOC is 3 times of ∠ AOM, and ∠ Bon is 20 times larger than = ∠ mob;,
That is, NOC = 3 AOM Bon = mob + 20
Then 3 ∠ AOM = ∠ mob + 20
Then ∠ AOM = ∠ mob = 10 °
Then ∠ NOC = 3 ∠ AOM = 30 °
Then, AOC = AOB + BOC = 2 mob + 2 NOC = 80
Math problem! Very simple!
Last Friday, Lao Ming bought 1000 shares of a stock at 27 yuan per share (up to positive, down to negative). On Monday, + 4.5 yuan; on Tuesday, + 4.5 yuan; on Wednesday, - 1 yuan; on Thursday, - 2.5 yuan; on Friday, - 6 yuan. It is known that Lao Ming paid 1.5% commission when he bought, and 1.5% commission and 1% transaction tax when he sold, If Lao Ming sells all his shares before Friday's close, how about his earnings?
Thank you!
Solution: 1000 times 27 + 1000 times 27 times 1.5% = 27405 (yuan)
27 + 4 + 4.5-1-2.5-6 = 26 yuan
1000 times 26-1000 times 26 times 1.5% - 1000 times 26 times 1% = 25350 yuan
25350-27405 = - 2055 (yuan)
A: Lao Ming lost 2055 yuan
How to write the book experience?
Write what you think ~ write now ~ write later~
How to write a reflection book summarizing the performance of two days
It's like writing a composition
The first paragraph first makes a general summary, that is, your general understanding, the central argument
The second paragraph is not well written. It needs to be improved. For example, it makes people feel more introspective
The third paragraph is about how to improve
The fourth paragraph shows the ambition and how to do better in the future
How to write a semester's summary?
Sum up time is like passing, years are like flowing, in a twinkling of an eye, one year's study life has passed. Close up this article to sum up the good and bad of a semester's study. The good and bad of the final exam depends on the efforts of this year, and my performance of this semester will be shown here
How to write red classic books, after reading the experience, about 1500 words
First write the main content of the book, you can play a lot of words, and then write how shocked and moved after you read it. Analyze the hero's great inner world, what gives him motivation, and praise again. It can also be compared with today's society to show that the hero's spirit is not outdated and still meaningful. What have you learned from him
What are the books related to the party
Chinese revolution and the Communist Party of China
The great ceremony of revolutionary heroes of the Communist Party of China
Selected works of revolution
Research on the revolutionary spirit of the Communist Party of China
Secret societies and Chinese revolution
"Red Rock" also counts
History of Zhuxi of the Communist Party of China
There are many such books as the chronicles of the history of the Communist Party of China, but few of them have read them
What's a good book to read?!
Er Er = - = please introduce 4 good books
Famous Camel Xiangzi Bacon's essays and other Chinese books
RELATED INFORMATIONS
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