1, riddle: it looks like a ruler horizontally and a stick vertically. He is the youngest, he will be the eldest brother. (Dial a number)-Answer: 1.

2. riddle: two ants, a stick and an ant are standing on it. (Enter a number)-Answer: six.

3, riddle: thousands of dollars to count (type a word)-answer: one.

4, riddle: multiple marriages and multiple divorces, look at the calculation (four-word computer word)-answer: digital decoding.

5. Q: What number should be added between the number 0 and 1 to make this number greater than 0 and less than 1? Answer: add one. It becomes 0. 1.

6. Q: What word is universal? A: Arabic numerals.