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Interesting weighing
in my paper on the seven kinds of ways to get the answer, the mother came over, so I picked up the answer paper, please check whether the mother is correct. My mother looked at the questions and answers, and said to me, "this question is not limited to one end of the scale,hogan outlet, or you can think about it again in the other direction." After listening to my mother's tip,scarpe hogan outlet, I looked carefully, and indeed, there is no mention of the weight must be placed at the end of the balance. "There is no provision for the weight of only one side, so that I can put the weights were placed at the ends of the balance, then on both sides of the situation will be how it?"< p > I suddenly see the light and immediately find the problem hidden Hsuanchi, and feel the answer has emerged in front of me, just waiting for me to catch down: the balance of both weights, then between the different weight of three weight weight difference, it is another weighing weight?? so, I immediately grabbed a pen and again on the paper "brush" to write the fourth kinds of methods can be called a weight: G 4-1=3, G 7-1=6, G 4+7-1=10, G 7-4=3, G 7+1-4=4, 7-4-1=2 grams of the six methods.
Sunday afternoon, the sun shone lazily in the room. After finishing all my homework,golden goose, I packed my bag, stretched my body, prepared to look at the book and then go to exercise. See a "fun" mathematics magazine bookcase, so they readily used up.
balance is used to weigh, only when the balance on both sides of the weight is exactly the same,golden goose saldi, then the pointer will mean in the middle of the balance. So,tn requin pas cher, I started thinking: the first method is a weight to weight, that the three different weight weights respectively to say 1 grams, 4 grams, 7 grams three weight; the second method is the three weights in the two combination later weighing, this combination has three, respectively is: 1+4=5 grams, 1+7=8 grams,nike tn requin soldes, 4+7=11 grams three kinds of weight; the third method is also three weights, it can be said that 1+4+7=12 grams. Above these three methods, a total of 1 grams, 4 grams, 7 grams, 5 grams,hogan outlet online, 8 grams, 11 grams, 12 grams of these seven kinds of weight.
Interesting weighing
< p > to synthesize four different weighing method, I have a total of answer to the following different answers: 1 grams, 4 grams, 7 grams of the three weights, a total of saying: 1 g, 2 g, 3 grams, 4 grams, 5 grams, 6 grams, 7 grams, 8 grams, 10 grams, 11 g;
"fun math" is one of my favorite magazines,hogan sito ufficiale, which has a lot of interesting topics and a little story about mathematics. When I turn to page five, found a very interesting question, the title is roughly this: please use 1 4 grams, a 7 grams, 1 grams of weight placed on the scale, the total can say how many different weight? This question suddenly remind of great interest to me. Related Articles:
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Do some black business, but the black hearted fox business is not booming, and expensive, the quality is not very good, so, we choose go pony with the shopping. Beaver to a day later, pony a day than a day off, fox one day than a day poverty, Fox and hate and jealousy, at this time, the heart have a evil in its mind flashed. |
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