The school held a basketball match. There are 6 classes in each grade of Grade 4, Grade 5 and Grade 6, and the competition is held in different grades. How many games will it take if the knockout roun

The school held a basketball match. There are 6 classes in each grade of Grade 4, Grade 5 and Grade 6, and the competition is held in different grades. How many games will it take if the knockout round is adopted? The first is to count the 6-entry 3***3 games of a grade.

If you get a bye, you will play two more games to decide the grade 123, so you will play five games *** 15 in a grade.

If the top three in Grade 3 play a round robin, 1 and 2, 1 and 3, 2 and 3, ***3, Grade 3 has a total of * * 18 games.

Next, if the first place in each year draws a bye, two more games will be held to decide the school level 1, 2, 3, a total of *** 17 or 20 games.

Next, every year, the first place will have a melee cycle in grades 4-5, 4-6 and 5-6, and * * 3 games will be decided at the school level 1, 2, 3, totaling * *18 or 2 1 game.