Stone Age Husband Raising Journal

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West will not be wrong.

But from one plus to ninety-nine...

He had never counted like this before.

But this can really be practiced, and when will it be used?

Thinking like this, Kumano began to count: "1, 2, 3..."

Grandpa priest taught him to count to one hundred, but it is easy to make mistakes in this way. The next hundred...

Finally counting the results, Kumano immediately looked at Zhou Ji and wanted to tell his results, but found that Zhou Ji was already asleep.

He had some snacks again, but Zhou Ji was not feeling well...

Kumano simply lay down on the bed to be self-sufficient. He used to do this before, so after he became a partner with Zhou Ji, he changed to Zhou Ji to help him.

In fact, Zhou Ji, who didn't sleep: "..."

In the middle of his work, Kumano saw Zhou Ji open his eyes, leaned in and kissed again, and said, "Zhou Ji, touch me!"

Zhou Ji glanced at him, stretched out his hand, and Kumano hugged him and hummed softly.

When it was finally over, Kumano comfortably didn't want to get up, but Zhou Ji pinched his face: "Have you figured out the question I asked you to calculate?"

"It's figured out!" Kumano said.

"how many?"

Kumano got up from the bed, looked at his pile of sticks again, and finally said, "It's forty-nine hundred plus forty-nine!"

"Wrong, it should be forty-nine is one hundred plus fifty." Zhou Ji said, people in the tribe generally don't touch too many numbers, so they only count to one hundred, and then a few A hundred said so.

Modern people think it is quite troublesome to toss like this, but it is actually quite good for people to count to one hundred smoothly. Zhou Ji remembers that in French, if you say ninety-nine, you need to say four twenty plus ten plus nine...

"Why?" Kumano looked at Zhou Ji puzzled: "Have you counted? I haven't seen you count!"

For such a powerful topic, if Zhou Ji had counted it, he should have seen a lot of sticks.

"I don't need to count, I know the answer when I think about it in my heart." Zhou Ji said.

Can you know the answer by thinking about it? Kumano looked at Zhou Ji in shock: "Did the beast god tell you?"

Zhou Ji: "...you think too much."

"Then how did you know?"

"Didn't you separate the piles before? The first pile is one, and the last pile is ninety-nine. If these two piles are added together, is it one hundred?" Zhou Ji slowly talked about the algorithm, and his parents were very supportive. He attached great importance to education, and he was sent to the Mathematical Olympiad class when he was very young. This kind of topic was used for the enlightenment of Mathematical Olympiad at that time.

Kumano suddenly realized that he put it again and found that it was forty-nine hundred plus one fifty.

As for why he miscalculated before, it was probably because he accidentally lost a piece of it.

After making the question, Kumano said sincerely again: "Zhou Ji, you are really too smart!"

"Do you want me to teach you?" Zhou Ji asked.

Kumano said without even thinking: "I do! But haven't I already learned it?" He has learned this topic, and he can give it to a priest to do it!

"You only learn

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