Current location - Training Enrollment Network - Mathematics courses - What did you learn from the story of Ji Xiaolan's mathematical couplets?
What did you learn from the story of Ji Xiaolan's mathematical couplets?
Reunion, the seventh day of March.

Hsi Chin time overlaps, but decreases.

Note: The first part.

The number of ports is: 60 x 2+3 x 7 = 14 1.

The second line of the couplet

The number of ports is: 50x (2+1)-9 =141.

It's from a friend

and

Let's have a try. What is lacking is the fourth word of the second sentence.

Same [

The same is true], dry words are taboo. Please advise.

Fifty years,

In "

"open it

More than 3900 people were invited to the dinner party. One of them is 14 1 year-old, and Qianlong took this as the topic, and

Dialogue.

"

The reunion on March 7 will increase the number of years. "Dry out the first part.

"

Double celebration, once more in spring and autumn. "Ji Xiaolan thought for a moment and immediately gave the bottom allied.

After listening to it, Qianlong claimed to be wonderful. The beauty of this connection is that it is one.

. 60 years old (

) X2 (reunion)+(increase) 3X7 (March of seven years) = 14 1 year; 70 years old (

) X2 (Shuangqing)+(Geng) 1 year (once in spring and autumn) = 14 1 year. This is a pair.

The perfect combination of a clever idea.