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Answer the math riddle! ! ! ~~~~~
1. One plus one is not two. (Type a word)

Combine the word "one", the plus sign "+"and another word "one" to get the word "Wang" instead of "two". The answer is king.

2. One minus one is not zero. (Type a word)

The word "one", the minus sign "-"and another word "one" are combined to get the word "three" instead of "zero". The answer is three.

3. Seven eighths. (Type an idiom)

"Eight-sevenths" is written in mathematical symbols, the number 7 is written above the fractional line, and 8 is written below the fractional line. The answer is the idiom "seven ups and eight downs".

In the above riddle, a new understanding of the words in the riddle with some simple mathematical knowledge can help guess the answer.

Another mathematical riddle, the answer is mathematical nouns. Let's look at a few examples.

4. Seven six five four three two one. (Type a math noun)

Usually, the number of newspapers is counted from small to large, just like the popular song "One two three four five six seven, where is my friend". Now he says "765432 1", which means counting backwards from the largest to the smallest, so the answer is "reciprocal".

5. bargaining. (Type a math noun)

Bargaining in shopping requires repeated consultations to reach a mutually agreed amount. This process of negotiating the amount of money can be called "quotient". The answer is business.

6. You expect me, and I expect you. (Type a math noun)

"You are expecting me", you are waiting for me; "I am looking forward to you", I am waiting for you. Two people waiting for each other can be described as "evenly matched". The answer is the same.

7. What's the score? (Type two math nouns)

Academic performance is calculated by scores. To ask "how much", you can put it another way and ask "geometry?" In ancient mathematics books in China, when you ask how many items there are, you always ask, "Does everything have geometry?" Until now, in some dialects, the price of asking things is still "geometry?" So, asking "What's the score" is equivalent to asking "Fraction, geometry?" The answer is two mathematical terms: fraction and geometry.