Half a catty means true and unchangeable.

One is one and the other is two, which means either you don't do it or you will do it in the end.

If you don't do it, you are equal.

Twenty-one plus five is putting all your eggs in one basket and throwing caution to the wind.

Anyway, it shows that being an official is fast.

Three times five divided by two means that you have experienced many difficulties.

After five passes, the six will be cut in the end.

Nine out of ten means almost the same.

Occupation means that someone is doing something.

Nine to nine means the same thing, and two people share it equally.

Nine times out of ten means confidence.

It's hard and not easy to say.

Sure is sure.

Selected mathematical proverbs

108,000 Li is a long distance.

Tian San Wu Si Matchmaker 5: In the old society, if you acted as an intermediary between buyers and sellers, you had to charge an intermediary fee of 3% for the land buyers. Charge the buyer an agency fee of 4%; A matchmaker is worth 5% silver.

Chicken, three ducks and four geese are half a catty: Hakka people buy "three birds" with empty chins (no feeding), saying that chickens will receive three taels, ducks four taels and geese half a catty in the future.

The head is castrated, the second is supplemented, and the third is taken care of: small-scale industries such as castrating pigs, raising chickens, mending pots, repairing umbrellas, playing keys, nailing scales, and playing tin have few tools, and the demand is diverse, making money easily.

Marry a bowl of water first, then a bowl of oil. Marry a romantic tightly: Ironically, some women are unfaithful to love and always want to marry more.

Frozen cattle in the first month, frozen horses in February, and frozen farmers in March: refer to Hakka mountainous areas. The weather is unstable from the first month of the lunar calendar to March, and there will be cold weather.

If the weather is bad in the first nine days, it doesn't matter. If the weather is bad in the next nine days, it will not even be good in March and April.

Three days on your shoulders, four days on your feet and five days on your feet: You should exercise your work, such as carrying loads, so you won't feel very hard after practicing for a few days.

Sit seven times and climb eight times, teething at the age of one: under normal circumstances, newborns will sit after seven months, crawl after eight months and teething at the age of one.