[問題]GWD26-15

[magic]

Q15:
If the average (arithmetic mean) of 5 different numbers is 12, what is the median of the 5 numbers?
(1)The median of the 5 numbers is equal to 1/3 of the sum of the 4 numbers other than the median.
(2) The sum of the 4 numbers other than the median is equal to 45.
答案是D
為什麼條件一能解題阿

[lance921]

這題我昨天有幫人解答 妳往前找一下