根据题干分析可得:
则第六个人拿完剩下了:8÷
8 |
9 |
第五个人拿完剩下了:16÷
8 |
9 |
第四个人拿完剩下了:24÷
8 |
9 |
第三个人拿完剩下了:32÷
8 |
9 |
第二个人拿完剩下了:40÷
8 |
9 |
第一个人拿完剩下了:48÷
8 |
9 |
所以原来一共有:56÷
8 |
9 |
答:一共有8个人,64个苹果.
辅导员给参加夏令营的某一组营员发苹果,给第一人1个苹果和余下九分之一,给第二个人2个苹果和余下的九分之一,又给第三个3个苹果和余下的九分之一…,最后恰好分完,并且每人分到的苹果数相同,问共有多少个苹果?这一组共有多少人?
答案:
最后一个人拿的肯定是8的倍数 a (a为自然数,苹果只能是整个的)
那么倒数第二个肯定是 a-1(比最后一个少拿一个)+a/8(最后一个人的1/8)
由a= a-1+a/8
得a=8
那就是一共8个人 一共64个苹果
将1~13分别填入右图四个圆相互分割成的13个区域,然后把每个圆内的7个数相加,最后把四个圆的和再相加,总和最大是多少?最小是多少?
答案:
134+(11+10+12+9)3+(8+7+6+5)2+2+1+3+4=340
14+(2+3+4+5)3+(6+7+8+9)2+13+12+11+10=152
用一元一次方程解答,具体如下:
设共有x个苹果,则:
第一个人分得:1+1/9(x-1);
第二个人分得:2+1/9{x-1+1/9(x-1)-2}
已知,每个人分得的苹果数相同,故第一、二个人分得的苹果数相等,可得到以下等式:
1+1/9(x-1)= 2+1/9{x-1+1/9(x-1)-2}
8/9+1/9x = 2+1/9x-3/9-1/81x-1/81
136/81-1/81x=72/81
1/81x=64/81
x=64
故解出第一问,共有64个苹果。
将苹果数代入第一个人分得苹果数1+1/9(x-1),得出第一个人分得8个苹果。
已知每个人分得的苹果数相同,故用苹果总数64除以每个人分得的苹果数8个,得到本题第二问答案:这一组同学共有8人。
答:共有64个苹果,这一组共有8人。
the word refused wine, drink and leadership know-how, skills drinker not
Jiuzhuo the communication places, is quite a test of You can not drink, better learn to resist alcohol; you can not let the new faithful drinker happy, then by silver tongue to Everybody happy This way, you immediately hurt your body, did not allow drinks upon those disappointing Here are a few
one, just feeling good, how much drink, and drink you can expand the number of
said: Minato with roses Therefore, as long as the feeling is good, drink much, how much to drink I do not want us to blend the feelings of so many 'water' Although I drank a little child, but it is a little drop of deep feelings Well the situation is bit by bit! It is a pain; together with the person you like to drink, is a moving We went to one, that we love to bits as long as the feeling that a bit, do not drink too intoxicated
III As long as there is love, drink wine
what are you if you do not touch liquor, to convince the other party may wish to drink or tea on behalf of the wine you ask him: What is love Is to understand the feelings, understanding Hooray! the word to reflect We should jump into the jar, because our many years of friendship, clear like the deep sea In fact, the feelings of light, even drinking bowl; emotional depth, even lick Feelings of iron, you can not drink! Ning hurt the body, not to hurt feelings; rather drink a hole in the stomach, do not let feelings of splitting a seam! 'To stay awake half,mac cosmetics brushes, leaving half of the West, drunk, at least in a dream to have you with,' I do not want to hurt the physical and emotional person No body, there can not reflect the feelings; no feelings, is the walking dead! In order not to hurt feelings, I drink; in order not to hurt the body, I drink a little and Italy, you say; Express feelings and views, you can: A embrace, B handles, C drink, either before the election one I respect you, let you choose; you respect me, should have let me choose Now, I choose A hug, please villain Would you please answer this question to be alive, > added: one thousand two hundred twenty-two rinse mouth, three thousand two hundred forty-two not wine, five thousand two hundred sixty-two supporting the wall walk, seven thousand two hundred eighty-two still roar
as long as the heart has, tea is also when the wine!
intestinal wine and meat had to wear, friends, hearts to stay!
酒逢知己千杯少, drink much much to drink, and drink not to run quickly
leg legs , is not drinking
guests have drunk alcohol, or the owner more ashamed!
in rivers and lakes to go, how can I not drink!
all together are good friends and I drank both enjoyable wine
Road indignant roar, you who do not drink alcohol
strong hero bile wine, against his wife tube!
engage in competition in a market economy, will soon be the United States drink cup
a river wide wave, let's reach for the cup dry
allow guests to drink good drink back home first !
To people do not know, unless you drink
days of blue, sea blue, a glass cup passed down
underground dry cloudless sky, not just the cup count
feelings are not iron iron! it is not afraid bleeding! feelings deep or not deep! it not afraid of fluids and!
drink drink white, non-emotional to
drinking and leadership know-how
27 1 wine on the table although the know-how When the wine should not use this phrase lip
trick 2 low profile and profound knowledge,mac cosmetics outlet, must not be a charge on the Jiuzhuo to large
finish each other before the leadership know-how round 3 to their King
know-how can people respect a person 4 must not be more than one respect, unless you are leading
respect their know-how 5 other people, if you do not clink, drink yourself how much can be the case may be, such as other alcoholic beverages, other alcohol attitude, must not drink less than the other, respect their own people to know
respect their know-how 6 people, and if the Big Apple one, I finished , you pick, was generous side
know-how humble 7 post their own, remember to add liquor to the leaders, not blind to the leadership on behalf of the wine, is to generation, but also looking for someone to do in the leadership, but also To pretend that he is not because you want to drink wine and to give leadership on behalf of the drink such as the liquor power leading a victorious, through the leadership of King beating around the bush to prepare a person stopped
8 put that glass trick (beer mug), his right hand briefly Cup, left pad bottom of the cup, remember your cup is always lower than others that if he is to lead, got the message point, do not put too low, or how a man called the following
9 If there is no special trick people present, the best time needle touch the wine order, not favoritism
trick 10 clink, toast,wholesale mac makeup, there must be rhetoric
11 desktop, do not talk business know-how, drink Well, the business will almost, everyone gains a heart, otherwise people will not open a drink with you
tips 12 do not install crooked, says the wrong thing, do something wrong, do not plead consciously Monastic is the last word
know-how, if 13 is purely if the encounter would not be enough wine, wine bottle on the middle of the table, people add their own, Do not be silly not to go to a friends grumble a pouring, or the people behind the wine, not how to do
know-how there must be a boring 14, the last glass of wine, so do not let your glass empty will not escape ~
15 Note that you should not drink slip of the tongue trick, not boast, not gaffes, not Tuomohengfei, chopsticks arbitrary rejection, do not mess means fingers, soup puff ring, do not fart burp, wait any longer to go to the toilet, no one stopped you
16 Do not know-how,
17 leading know-how to drink with you, is for you face, no matter how much leaders want you to drink, their first dry for the King, remember ah, my hands, the glass is low
18 Tips peanuts to the people who drink alcohol is a good thing keep a clear head, drink greetings is unavoidable, a cup of yogurt, a cup of hot water, you are obviously a hot towel and caring
drinker does not work 9 Tips
1, do not take the initiative to implement a defensive to offensive strategy;
2, table and put two large cup, a cup of white wine, a cup of mineral water, take small handless winecup Cheers, ground water, to drink wine on the table 8 points drunk basic subject-object, you can water on behalf of the wine, take the initiative; (This is not recommended)
3, toast, do not swallow it immediately , look for opportunities to use napkins Mazui, napkins in the wine spit; (for women)
4, Theravada eat some of the fat after the class, bottom of starchy food, drinking is not easy drunk;
5, the rhythm, not all of a sudden became too fierce;
6, do not drink some wine mixed with particularly vulnerable to drunk;
7, leading their food, do not turn Jiuzhuo the middle of the disc, leading you dial the wine on the table and take their food taboo;
8, drink six drunk, put your dish in front of vinegar to drink vinegar, let the waiter add
9, each drink, the, filling, and then pretended not to predict with confidence handless winecup before drinking, throwing out a number as possible, so that you can not drink too much into a lot of time
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