Oops, just re-read the problem, the upper number is 166, not 162! but the method is the same, so the answer for part 2 should be:
(83*1+28*2+11*3+7*4+3*5+33*5)/165 = 380/165 = 76/31
Correction
本帖於 2009-12-19 10:40:17 時間, 由普通用戶 康MM 編輯
Oops, just re-read the problem, the upper number is 166, not 162! but the method is the same, so the answer for part 2 should be:
(83*1+28*2+11*3+7*4+3*5+33*5)/165 = 380/165 = 76/31
WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.
Copyright ©1998-2025 wenxuecity.com All rights reserved. Privacy Statement & Terms of Use & User Privacy Protection Policy