I found a phenomenon: if the children who have learned the Olympiad in primary school are very easy to learn the permutations and combinations in the second year of high school, and their thinking is very fast! Help them sort out the methods, and they can basically pass the test! If they have not learned

author：XGIMI College Entrance Examination Mathematics 2024-04-06 16:18:00

I found a phenomenon: if the children who learned the Olympiad in primary school learned the permutations and combinations in the second year of high school, they were very easy to think of!

If you haven't learned it, it's hard to permutate and combine!

I found a phenomenon: if the children who have learned the Olympiad in primary school are very easy to learn the permutations and combinations in the second year of high school, and their thinking is very fast! Help them sort out the methods, and they can basically pass the test! If they have not learned

I found a phenomenon: if the children who have learned the Olympiad in primary school are very easy to learn the permutations and combinations in the second year of high school, and their thinking is very fast! Help them sort out the methods, and they can basically pass the test! If they have not learned

I found a phenomenon: if the children who have learned the Olympiad in primary school are very easy to learn the permutations and combinations in the second year of high school, and their thinking is very fast! Help them sort out the methods, and they can basically pass the test! If they have not learned

I found a phenomenon: if the children who have learned the Olympiad in primary school are very easy to learn the permutations and combinations in the second year of high school, and their thinking is very fast! Help them sort out the methods, and they can basically pass the test! If they have not learned

I found a phenomenon: if the children who have learned the Olympiad in primary school are very easy to learn the permutations and combinations in the second year of high school, and their thinking is very fast! Help them sort out the methods, and they can basically pass the test! If they have not learned

I found a phenomenon: if the children who have learned the Olympiad in primary school are very easy to learn the permutations and combinations in the second year of high school, and their thinking is very fast! Help them sort out the methods, and they can basically pass the test! If they have not learned

Previous: The 2024 Wu cultural tourism activities are fully launched

Next: Category 12! Echo purple to whitish, extra-large squall line across the Pearl River Delta! Forecast: Stronger rainstorm locked

Read on