7/40, 1 1/60,23/ 120 .....
Divide 1/5 and 1/6 into 6/30 and 5/30, and then enlarge the numerator denominator by more than 4 times at the same time to get 20/ 120 and 24/ 120.
Then 21120, 22/ 120, 23/ 120 meet the requirements, and then we can cut the point.
2. What is the score of 1 greater than 3 and 1 less than 2? (a, 0 B, 1 C, 2 D, countless)
D. countless!