Yang Dan was 36 years old. She was an employee in the sales department of Xing Hai Technologies.
She was also the mother of two children.
Her eldest son, Chen Chen, was 10 years old and was in the fourth grade of primary school.
Her youngest daughter, Xuan Xuan, was 8 years old and was in the second grade of primary school.
After the release of the company's Little Star learning machine last month, on the 16th, she took out a month's salary and placed an order for two units, one for her son and one for her daughter.
At that time, her husband was very angry. "Such an expensive learning machine, can't you just buy one? Can't you just buy one? Can you not be such a spendthrift? "
"I bought it with my salary. Why do you care?"
Her husband was helpless. He could only feel his heart ache. "That's almost $6,000."
A few days later, the learning machine arrived. Her son and daughter each got one and started using it.
Yang Dan also guided her children in learning according to the instructions.
In the process of guidance, Yang Dan discovered that the Little Star learning machine was much more useful than the one introduced by her boss at the press conference.
It was a godly tool for learning!
This was because the learning route formulated by this learning machine was different from the arrangement in primary school textbooks. The knowledge points in the Little Star learning machine formed a tree diagram of knowledge points from bottom to top.
On that "tree", there were countless knowledge points distributed. For example, addition, subtraction, multiplication and division in mathematics required one to first master addition, then subtraction, and multiplication followed by division.
For geometry, one had to first master squares, rectangles, then triangles, trapezoids, polygons … from simple to complex.
For language and English, one had to first master pronunciation and phonetic symbols before learning words and grammar … it was a gradual process.
Of course, learning in any knowledge system was the same. There was no such thing as learning complex knowledge before learning simple knowledge.
But the Little Star learning machine was more intuitive!
Through some tests, the Little Star learning machine would directly know where the student's weakness was. Then, it would display the weakness as a red dot in the tree diagram of knowledge points.
The knowledge that the student would display as a red dot would turn into a yellow dot after learning it twice.
Unless the student had a thorough grasp of the knowledge point and was unlikely to forget it, the yellow dot would turn into a green dot.
Yang Dan's eldest son, Chen Chen, did not have good grades in class. He was always in the middle of the class. Yang Dan was very scheming, so she let her son do a system test on the learning machine. The results shocked her!
Among the knowledge points that a fourth grader should know, most of them were red, a small portion were yellow, and there were only a few green dots.
Even the knowledge points for the third and second years at the bottom of the tree diagram had a large number of red and yellow dots … and less than half of them were green dots.
The learning machine gave a direct evaluation: A bad student, needs systematic revision.
Yang Dan's face darkened. She immediately placed her son on the learning machine and supervised his learning every day. Starting from the red and yellow dots at the bottom, she mastered them one by one.
As for his daughter, Xuan Xuan, the system's test result was excellent. She was a little genius and could try to challenge some higher grade knowledge points.
Half a month later.
On the Little Star learning machine, he made his son do another system test.
Yang Dan smiled happily. Her son's score had reached more than 70 points. He had obtained the title of "Weak Student" and was making progress towards "Strong Student".
What was even more gratifying was that Yang Dan realized that her originally mischievous and active son had actually fallen in love with learning. He no longer resisted the Little Star learning machine.
"Mom, I feel that the learning machine's teaching is much clearer than the teacher's. I understand it the moment I listen.
And the teacher inside is so cute. His voice is so nice. I really like listening to the lessons inside.
What I don't understand, Little Star can answer me! "
What he liked the most was still the homework assistance function. He only needed to scan the question and within a few seconds, he would be able to list out the steps and answers. Homework was too easy, wasn't it?
However, this function was an important "reward method" for Yang Dan. She required her son to master at least five knowledge points every day to be able to use the homework assistance function to reduce the burden of homework. In order to reduce the headache of homework, her son, Chen Chen, could only learn more knowledge points.
However, when he had more or less mastered the weak knowledge points in the beginning, Chen Chen suddenly realized that the homework assigned by the teacher did not seem to be particularly difficult. Slowly, he could also do part of it by himself.
As for her daughter, Xuan Xuan, Yang Dan was shocked to find that more than half of the knowledge points in the third grade had turned green.
…
Another half a month later.
Her son and daughter's school held their mid-term exams.
"Mom, mom, I got third place in the class. I got third place in the class!" Her son rushed home excitedly with his test papers.
"Mom, the exams this time were so easy. I got first place again." Xuan Xuan, who felt that there was no challenge at all, returned home listlessly. She handed in her papers early for the few exams, which caused a lot of surprise.
"Third place in the class?!"
Yang Dan exclaimed in surprise, "Son, you're the best! Let's go, mom will bring you to play. Mom will bring you to eat McNuggets! "
"No!"
Her son shook his head and said, "In this exam, my total score was only five points away from the first place in the class. I think I can surpass him. I want to continue learning!" After saying that, he picked up the learning machine again.
Yang Dan was so shocked that she could not speak. This tone of a genius, this aura of a powerhouse, this … was this still her son from before?
However, after two days, her son's class teacher called. Yang Dan then realized that her son had been holding back his anger!
After the mid-term exam results were released, her son, who was originally in the last few places, suddenly jumped to third place. This caused a lot of suspicion.
"He must have copied it!"
"You cheated in the exam!"
Her son, Chen Chen, blushed and retorted that he did not, but none of his classmates believed him.
He could only clench his fist and say to his classmates, "Next time, I will get first place in the class, to prove that I did not cheat!"
However, it caused a wave of disdain and mockery.
Even when the class teacher called Yang Dan, he was vaguely questioning, "Did your son really (copy)?"
"No, absolutely not. His exam results are absolutely real!"
Yang Dan said loudly. When she saw her son standing at the door, her eyes turned red. She ran back to her room and slammed the door.
Yang Dan suddenly realized the seriousness of the problem. She knew that if her son continued to be misunderstood by his classmates and teachers, it would cause great psychological harm to him.
The next day, she took a day off and went to her son's school. After the second period, she walked into the classroom and took out the Little Star learning machine from her bag. Of course, she explained to the class teacher and the students who had not left yet.
"Students, our Ou Xiaochen's mother, Chen Chen's grades have improved tremendously recently. It's not because he cheated in the exam, but because of the Little Star learning machine …"
As a salesperson, Yang Dan had long trained to be thick-skinned in front of all kinds of customers. She was also quite eloquent. In a short span of twenty minutes, she clearly explained the advantages of the Little Star learning machine, making everyone nod their heads.
"Ou Xiaochen, I'm sorry. I misunderstood you. I apologize." The class teacher apologized one after another.
"Xiaochen, I'm also at fault. I didn't investigate clearly and just made wild guesses. I also apologize to you." The class teacher looked ashamed.
The teacher and classmates' misunderstanding of her son was successfully resolved.
However, after a few days, her son said to her gloomily, "Now there are seven or eight students in the class who have started using the Little Star learning machine. The second place in the class is also using it. Mom, why did you explain to them? How can I get first place in the class if you do this?"
Seven or eight people?
A thought flashed through Yang Dan's mind!
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