It wasn't until noon that I barely finished collecting all the money that should have been collected in the market, and when I returned to my teacher's house, he began to teach me how to make accounts, and by the time I had compiled the amount of money into a ledger and figured it out thoroughly, it took me nearly ten hours before and after.

And what made me even more entangled was that the accounts that took me a lot of time to sort out were actually wrong by one-fifth, and the teacher did not show mercy this time, and he was scolded for his face. I was so bad at all that he didn't have a temper, and I miscalculated the work that he would normally take two hours to complete, five times as long as it took me to pay him back.

The teacher told me that if a person who wants to make money can't even calculate the accounts, then he will always have to lose money.

At this time, I realized how difficult it is for those who do accounting and financial management, this technology is not always said to be mastered if you want to master, which not only requires a running brain, but also requires careful and patient dripping water through stones.

In the evening, when I was about to go back, the teacher stopped me and asked me to accompany him to the supermarket to shop, saying that he wanted to buy some daily necessities. Of course, I am obligated to do this, although I am already tired, but as a student, these are what I should do.

When I pulled the cart out and found him, he was sitting in the drink shop next to the supermarket drinking tea, and I was a little confused, and as soon as I came to his side, he took out a note from his pocket and handed it to me.

"Dongxun, I'm a little tired today, you can buy those things for me, here is the shopping list, you can buy it according to what is written on it."

I took the list, said yes happily, and was about to turn around to leave, but the teacher stopped me.

"Don't worry, I'm not done yet. Every time I shop in the supermarket, the money I spend must be eight hundred and eighty-eight yuan, one more is not good, and one less is not good, after all, three eight sounds good and auspicious, so today you must abide by this principle when shopping for me, not only the items on the shopping list must be bought without falling, but the total price must also be eight hundred and eighty-eight yuan. Okay, you go, I'll be waiting for you here. ”

I was stunned, it was really unthinkable that the teacher still had this kind of thinking, but it didn't matter, no matter how much the teacher asked me, I had to complete it.

So, I walked into the supermarket with the list in one hand and the trolley in the other, and I began to buy one by one according to the things on the teacher's list, but when I was halfway through the purchase, I was dumbfounded, and it was only then that I suddenly understood the true meaning of the teacher's request.

I haven't taken half of the items on the shopping list, and the total price calculated is almost close to the threshold of the limited amount, I didn't think much about the price before, and I thought about slowly adjusting it later, but when I calculated the price, I realized that the teacher was training me in a different way.

Because most of the goods in the supermarket have different prices, some of the same thing is expensive and some are cheap, such as a bottle of soy sauce, a better brand can be sold for dozens of yuan a bottle, and a worse brand only needs more than ten yuan a bottle.

I didn't notice this at first, and I desperately took things and exceeded the limit amount, and now I have to rewind and readjust.

I picked the cheap one this time, but when it was about to end, I was dumbfounded, and it was far from the limited amount.

My head was suddenly in a mess, I had to calculate the price and design the strategy, as long as one didn't think about it, I had to rewind a few items to adjust, and more importantly, the price could not be wrong, the last trip, I messily calculated the price and then pushed it to the cashier, after a scanner found that I had miscalculated, so I quickly reversed back to adjust.

By the time I ran out of the supermarket with a sweaty cart at a total price of 888 yuan and 6 cents, everyone was almost closed.

The teacher was still leisurely drinking kung fu tea, he glanced at my shopping list with a smile, and nodded when it was done.

"Yes, although it took a little more time, but after all, it was done, do you know why I want you to do this?"

"The teacher is training me in numeracy."

He shook his head.

"No, I'm testing your estimate of the price of a commodity."

I didn't understand, so I just shook my head.

"This time you can look at the price of the product and think about the buying strategy, but next time I will make you lose sight of the price tag."

I couldn't figure it out when I heard it, the price of everything was clearly marked in the supermarket, could the teacher tear them all up?

It wasn't until the next night that I understood how the teacher made me blind to the price tag.

This time he lowered the total price to eighty-eight yuan, and also gave me a list, and to my amazement, the teacher was standing at the entrance and exit of the cash register with a stopwatch, and he asked me to take the things here and check out within five minutes.

I was dumbfounded, although the total price was reduced this time, but the difficulty was increased, and the five-minute time meant that I had no chance to go back and adjust, and it also meant that my choice of each item was directly related to the success or failure of the task.

I pushed the cart into the supermarket at a speed of 100 meters, and by the time I had bought everything and came out to check out, I had already exceeded the five minutes stipulated by the teacher, and in addition, the total price of the goods I bought reached more than 120 yuan, which exceeded the price by nearly half.

The teacher asked me to keep up the good work, and he said that when I can come out in three minutes and the price is still the same, then I can be out of the teacher, and I don't know if I can do it.

In the next half a month, I dealt with numbers every day, although every night I always dreamed of a large number of numbers jumping in front of me, but my arithmetic ability has improved significantly, I spend less and less time on the interest of the market, and the accuracy rate is getting higher and higher, and even in the end, I can hand the account book to the teacher exactly right, and then get a few words of praise from him.

On the supermarket shopping side, I gradually narrowed the price difference to less than ten yuan, and then it was difficult to make any progress, although I was gradually able to achieve the speed of reflex calculation, but in the face of this harsh condition, there is still a big gap.

On the side of my two brothers, during this time, Lin Feng found something to do, Song Jia's school was on summer vacation, she found a job as a tutor, working in a café during the day, and teaching elementary school students mathematics at night.

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