In a math test, the full score is 100, and the average score of 36 students in the class is 67 In a math test, the full score is 100, and the average score of 36 students in the class is 67. If the scores of a, B, C, D and E are removed, and the average score of the rest is 62, then the score of C in this test is 100____ . I can only calculate the total score and average score of ABCDE. How can I know the C score 8181818181 / 1818181818 - 818181 /1 81818=？ |1/1001-1/1000|+|1/1002-1/1001|=？ Simple calculation

In a math test, the full score is 100, and the average score of 36 students in the class is 67 In a math test, the full score is 100, and the average score of 36 students in the class is 67. If the scores of a, B, C, D and E are removed, and the average score of the rest is 62, then the score of C in this test is 100____ . I can only calculate the total score and average score of ABCDE. How can I know the C score 8181818181 / 1818181818 - 818181 /1 81818=？ |1/1001-1/1000|+|1/1002-1/1001|=？ Simple calculation

I think C is the average score of five people
For the following simple calculation, the first question can be divided into: (81 * 101010101) / (18 * 101010101) = 81 / 18
Similarly: the following 81818 / 181818 = (81 * 10101) / (18 * 10101) = 81 / 18
So: 81818 / 1818 - 818181 / 1 81818 = 0
Second question: take out the absolute value sign, that is, compare the size: when the numerator is the same, the numeral with the larger denominator has the smaller value
So we can get: 1 / 1000-1 / 1001 + 1 / 1001-1 / 1002 = 1 / 1000-1 / 1002 = 1 / 501000