"Alright, you guys should practice well. Pen × fun × Pavilion www. ｂｉｑｕｇｅ。 Remember, I'll test you tomorrow, and if you can't use these ten basic numbers to mark the numbers I reported, I'm going to punish you. ”

Fengyun saw that Mulanozhi and Fengbei were almost finished studying, so he announced that the study was over, but in order to consolidate and strengthen the learning effect, he also assigned them homework.

"I'm going to take the test tomorrow. Brother Yun, your requirements must not be too high. ”

As soon as he heard that he was going to be assessed, Feng Bei's face immediately fell, and his eyes looking at Fengyun faintly revealed fear and pleading.

She is no stranger to assessments, when Fengyun taught everyone to read and write, she used to assign all kinds of homework, and what she hates the most is doing homework.

Now that she heard that Fengyun was going to assess her again, her good mood immediately disappeared.

"What's the matter, you're scared? Didn't you think it was very simple just now, urging me to teach it faster? Why can't you say it now?"

Fengyun knew Fengbei very well, and when he saw it, he showed an embarrassed expression, and decided to use the agitation method on her.

Fengbei is good at everything, but there is one thing that is not good, that is, he is lazy, but in response to this, he still found a way to deal with it, that is, to stimulate her.

According to his observation and understanding of her, he knew that she had a strong self-esteem and could easily fall for the radical method, and she was relatively strong, and once she agreed, she would do her best to complete it.

"Who said I was scared. I'm not afraid. ”

Exactly as Fengyun had predicted, the agitation method he used against Fengbei worked again.

"Hard-mouthed. If you're not afraid, why did you have such an expression as soon as I said I was going to test you?"

Fengyun deliberately put on a mocking expression.

Fengbei's face flushed, but she still made excuses for herself: "I'm really not afraid, I just think it's unfair." ”

"It's unfair, what's wrong?"

"There are too many numbers, who knows what numbers you will take tomorrow, if it's too difficult, wouldn't it be unfair to me and Sister Laneige." You've only taught us a little bit. ”

"Okay. Since you said so, I'll determine the scope of the assessment. Tomorrow I'm going to be on a scale between one and one hundred. It shouldn't be too difficult, right?"

"Brother Yun, this is what you said, tomorrow will only test the number of one to one hundred?"

Before the words fell, Fengbei couldn't wait to respond, and stared at Fengyun's eyes, looking like he was afraid that he would regret it.

"Don't worry. I don't count what I said, but I've already said ugly things in front of me, and if you can't complete the assessment tomorrow, I will punish you and don't regret it. ”

As soon as Fengyun finished speaking, he turned around and walked away, walking towards the paddy fields in the distance, and as he walked, he flipped his notebook to the front and recorded it with charcoal under the fields marked with numbers.

He taught Fengbei and Mulan Chi how to write Arabic numerals and how to use them simply, and although it did not take much time, the spring water of the double cold spring was very effective, and the growth of rainbow rice in some fields had changed significantly, and it was necessary to record it in time.

Fengyun's gaze kept moving among the fifty paddy fields, and in the process, the charcoal in his hand moved quickly on the notebook, and the data quickly appeared in the blank space of the paper.

After writing down all the data to be recorded, Fengyun let out a long breath of turbidity, these raw data are very important, once you miss it, you can only wait for the next time, and it is not guaranteed to be exactly the same.

Due to the conditions, it is difficult to restore the same effect as this time when planting rainbow rice next time, not to mention that precise control of the amount of water entering the paddy field and the flow rate is a big problem, not to mention the difference in rice seeds.

However, the most inconvenient thing for Fengyun is the mastery of time.

Although he knew how the clock worked through searching for his memory, it was obviously unrealistic for him to make a working clock under the current conditions.

He usually uses some of the timing props he finds in his memory, such as drips and sundials, but these timing props are not very convenient to use, at least not to carry around.

Once he left the tribe, he had to use other methods to keep time, such as observing the position of the sun in the sky, not to mention that this method could not be grasped, and once it encountered a cloudy day, he could not see the sun at all.

So Fengyun invented an alternative timekeeping method according to its own characteristics, that is, to make yourself a timing prop, the main step is to first record the heartbeat interval through the timing prop, and then count the number of heartbeats to calculate how long it has been.

It's a hassle to count the number of heartbeats for a long time, but Fengyun can still do it, but that doesn't mean it's perfect.

He does not have an accurate time to calibrate at any time, and the time is long, the error will be relatively large, after all, the speed of the heartbeat will be affected by various circumstances, and it is impossible to guarantee that the interval between its beats is consistent.

In addition, there is the problem that once he sleeps, the counting of his heartbeat stops.

He became a totem warrior, especially after he was successfully promoted to a transformation warrior, his energy far surpassed that of ordinary people, and he could not sleep for a long time, but being able to go without sleep for a long time does not mean that he does not need to sleep.

"It is important to make a timekeeping tool as accurate and convenient as a clock as soon as possible. ”

Fengyun had told himself this more than once for this reason, but every time he gave up because the conditions were not ripe.

This time, however, his desire became even stronger, because recording the growth of rainbow rice in fifty paddy fields required an unprecedented level of timekeeping, and it was difficult to rely on heartbeat timing alone.

"Why don't you send someone back to the tribe and bring some timekeeping tools?"

Just when Fengyun was hesitating to send someone back to the Huojiao tribe, he found Fengbei and Mulan Zhi walking towards him together.

"What are they doing here?"

Fengyun felt a hint of curiosity, he didn't ask, but as soon as they got close to him, he knew their intentions, which Fengbei had told him personally.

"Brother Yun, there are some things that Sister Lanzhi and I don't understand about the usage of these numbers, and I want to ask you for advice. ”

It turned out that they were having difficulties in their studies.

"Tell me, what do you not understand?"

Fengyun affirmed Fengbei and Mulanzhi's learning attitude and expressed his willingness to help them.

In addition to sincerely hoping that they could really master the use of Arabic numerals, he actually had a little selfish motive, that is, he wanted them to help him.

The effect of the double cold spring spring water is so good, it can make a significant change in the growth of rainbow rice in a short period of time, and at the same time take care of fifty rice fields, Fengyun feels that he is a little too busy.