Mid-Autumn Festival fun math riddle

Lantern riddles attract fans from all walks of life all over the world, enabling people to gain knowledge and wisdom, and at the same time get wonderful enjoyment. The following are interesting mathematical riddles I collected for the Mid-Autumn Festival, hoping to help the students.

1. Please type one of the following mathematical terms:

If you want to break Cao Bing's arrow (vector difference), two cows compete (diagonal)

The road did not bend (straight path) and lost its arch back (residual chord)

After diagnosis (prescription), keep parallel (parallel)

Different opinions (group theory) industry (virtual root)

Member (Center) Tool Price (Vendor)

Fishing (equal to) ladder (infinite series)

Xiao Qiao (Weekly) is one yuan only (percentage)

Heavy sentence (plus law) afternoon inventory (unknown)

Confucius can eat (Confucius said, "Don't eat correctly") (exactly)

Trade law (exchange law) (inclined plane)

Two, each of the following dozen mathematicians:

Chunyusha Hometown (Chen Jingrun)

Grandpa took part in the 100 meter race (Zu Chongzhi)

Mendeleev's periodic table of the elements

4 Liang Yan 30 (Qian Sanqiang)

Spring outing in Huqiu (Su)

Third, play an idiom each:

1, 2,5 (forgetfulness)

0 0 0 0 (foolproof)

24680 (coincidence)

40÷6 (continuous)

1% (one percent)

+,-,× (fragment)

7 ÷ 2 (no three no four)

103 and 1002 (ever-changing) (falling from place to place)

One by one

10002 =100×100×100 (of course)

Four, the following call a number:

Decapitation (1)

In which (2)

Do it as soon as you come.

Although the number is small, it is over one million (1).

Add a sum, increase by a hundredfold, subtract a sum, and decrease by 90% (10).

Five, the following one word:

100- 1 (white) 699 (soap)

40% to 81% (say) 30 days ÷2 (fat)

One+one is not two (kings), one foot and one (temple).

X Johnson = 3 (miscellaneous) 1/500 kg (refined)

Other intransitive verbs:

One hundred MINUS two (name a solar term) (white dew)

1234567 (Name a foreign film) (Sound of Music)

I don't know how many there are outside, but it's still unknown inside. (Give a weather name) (Wind)

Know that only zero and one can count ten thousand and one hundred million;

I'm a carrot and stick. It is easy to guess me. (A-type computing tool) (electronic computer)

A number, famous, less than four and greater than three;

You can write three short strokes, but you can't write anywhere longer. (counting) (π)

A family is divided into two families with many descendants;

More is inversely proportional, less is inversely proportional, and less is inversely proportional. (type a calculation tool) (abacus)