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20 12-20 13 what is the average score of the fifth grade final of Zhengzhou world youth Olympic primary school?
12-20 13 Zhengzhou Division (China District) of the World-Youth Olympic Mathematics Competition officially accepted the entries of the contestants on September 20 12.

According to the official news of the Committee, more than 65,438+00,000 contestants participated in the registration (the total number of each grade). After 65,438+065,438+00 in 10, the preliminary contest between Zhengzhou Reed Bilingual School and Cai Li Experimental School in Zhengzhou High-tech Zone has been held.

More than 6,000 people (60% promotion rate) advanced to Zhengzhou Division (rematch).

Zhengzhou Division preliminaries:

Number of participants in the third grade 1495, and the number of promotion is 897;

Average grade of grade three: 59.6; Highest grade score: 130.

Number of participants in the fourth grade 1955, number of people promoted1173;

Grade 4 average score: 54.2; Highest grade score: 128.

In the fifth grade, 2329 people participated in the competition, and 397 people were promoted/kloc-0.

Grade 5 average score: 59.8; Highest grade score: 135.

The number of participants in the sixth grade is 3035, and the number of people promoted is1821;

Grade average of grade 6: 60.5; Highest grade score: 140.

Number of seventh-grade participants 1057, and 634 people were promoted.

Grade 7 average score: 53.7; Highest grade score: 104.

In the eighth grade, 947 people participated and 568 people advanced.

Average grade 8: 55.9; Highest grade score: 132.

In the ninth grade, 937 people participated and 562 people advanced.

Average grade 9: 58.1; Highest grade score: 135.