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For students like us who are wandering in the sea of knowledge, the biggest difficulty is the puzzled problems that I always rack my brains to overcome.
On this day, it was pouring rain outside the window, and the scenery in the distance was hazy, and the raindrops hit the earth, causing ripples in circles and circles. I was sitting in front of the window, thinking about a math problem that gave us a rectangle and divided it into four triangles of different sizes, but only told us the area of one of the triangles! Now, my IQ has never been too bad, and I have made a difficulty, and I haven't come up with a reason after thinking about it.
The rain was still pouring down, pounding on the ground. I looked up the books and looked through the notes, but I couldn't find any hints to solve the problem.
I rubbed my temples and frowned, trying to remember what I had done before, hoping for some clues. Suddenly, I had an idea: "That's right!
I can't use arithmetic, let's use equations! But what is the unknown? I couldn't help but fall into deep thought again.
Set a rectangular area? No way. Set the area of the triangle?
No, it doesn't. Set up ......After thinking about it for a long time, my eyes suddenly lit up, right! Set the length to x!
Following this line of thought, I quickly figured out the equivalence relationship and excitedly calculated it. Unexpectedly, this problem is too difficult, and a series of equations cannot be solved. I bit the tip of my pen for a while, propped my head for a while, and held my fingers in my mouth for a while, and I couldn't think of anything.
Just when I was puzzled, I suddenly remembered the equation that my teacher had talked about before. Thinking of this solution, I couldn't help but be overjoyed, clapped my hands excitedly, and buried my head in the calculations. However, when I was about to succeed in applying various rules, a new problem arose - the sign before and after the equal sign was different!
I sighed and fell back into deep thought. At this time, the heavy rain outside the window gradually subsided, and there was no longer the previous rage.
I thought silently, but I still didn't have a clue. Suddenly, Dad's previous words lingered in my ears - "The left and right sides of the equation can be enlarged several times at the same time, and addition and subtraction can be canceled out." All the problems were solved, and in a few moments, a number "4" appeared in front of my eyes.
Don't rejoice too soon! I reminded myself to do the math again. Wow 1 it's all right!
I couldn't hold back the joy in my heart any longer, and cried out happily: "Yay! I've figured it out!
Banzai! Outside the window, the rain stopped, and the smiling face of the sun was revealed.
I finally overcame the difficulties and understood a truth: as long as I do my best and work tirelessly, I will definitely be able to overcome the difficulties and taste the joy of success!
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Check it up on the Internet, and there must be an answer.
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