A long time ago, in a mysterious kingdom, there were many strange little people. Each of them has a horizontal line on his belly, with numbers on it and numbers on the bottom. They all call themselves "fractions".
One day, an old musical score came across a Zhang Xiaole score. Very contemptuously said to him: "You are so small, you must be stupid!" " "He said unconvinced," dare you to compare. "Say, a mathematical symbol" = ",please.
"=" jumped between two people, and at this moment, it became. He said angrily, "you ... you are as old as me." The symbol says, "Let me draw a picture for you!" " "
"Do you understand?" Symbol asked. "All right!" Left in frustration.
Since then, no one has looked down on it.
Article 12? Fenqi pizza
Once upon a time, in the far west, there was a beautiful kingdom where three beautiful princesses lived. Princesses like seafood pizza cooked by chefs best.
One day, the chef made three delicious seafood pizzas of the same size and wanted to give them afternoon tea. As soon as the table was served, the princesses spoke. Big princess said, "I want 1." The second princess said, "I want two pieces." The little princess said, "I don't want more, just 4 pieces." Looking at the chef's puzzled expression, the three princesses all smiled and thought, can't this beat you?
But after a while, the chef picked up the pizza of 1, divided it into four pieces on average, and gave it to big princess. Then the second pizza was divided into eight pieces, two of which were given to the second princess. Before the princesses could react, the chef divided the third pizza into 16 pieces, and took out four pieces for the little princess, which met the requirements of each princess.
Students, do you know which princess gets more pizza?
Article 13 Score kingdom commendation meeting
Once upon a time, a special ceremony-commendation meeting was held in the kingdom of scores. At this time, a travel-stained music score ran over to the king and said, "King, I have been doing well in the digital kingdom for several years, but one day I exposed my identity." They know that I am made up of two small numbers, so they won't let me work. I can't even eat now. You must help me! " As he spoke, he began to cry. The king quickly comforted him and told him to speak slowly.
He said, "I have a twin brother. I lived with him since I was a child, but he said I was too young and left me. " At this moment, a man named "Noble Score" suddenly cried, "Haha, what a surprise! I am your brother!" He said angrily, "What's so great about you? Otherwise, let's have a competition! See who plays the biggest role! " "Well, let's have a try. Who is afraid of who? " Say disdainfully.
The competition has begun, and the content is that both sides cut a cake of the same size to see who gets more. The result is: as much. I wonder why his numerator and denominator are smaller than mine, but they represent the same proportion as mine. Do you know why?
Article 14 Divide gold
Before he died, an old man called his three sons and wanted to give them 1 1 pieces of gold of the same size. The boss took it, the second one took it, and the third one took it. But how to divide it? You can't cut gold. At this time, the neighbor gave the old man an idea that he could take out 1 piece of gold and donate it to those in need. So, in the end, the boss got 2 yuan, the second one got 3 yuan and the third one got 5 yuan.