Re: [計量] 可以幫幫我解幾題數學嗎？？
※ 引述《bluesink (美女又怎樣)》之銘言：
: 1. coins are be put into 7 pockets so that each pocket contains ar least one
: coin. At most 3 of the pockets are to contain the same number of coins and
: no two of the remaining pockets are to contain an equal number of coins.
: What is the least possible number of coins needed for the pockets?
: (A) 7
: (B) 13
: (C) 17.......answer
: (D) 22
: (E) 28
七格口袋都要有硬幣，最多有三格口袋有一樣多的硬幣，其他都有不同數量的硬幣。
1+2+3+4+5+1+1=17
: 2. During a certain season, a team won 80 percent of its first 100 games and 50
: percent of its remaining games. If the team won 70 percent of its games for
: the entire season, what was the total number of games that the team played?
: (A) 180
: (B) 170
: (C) 156
: (D) 150......answer
: (E) 105
80場勝+(全部-100場)*50%=全部*70%
30場=全部*20%
全部=150場
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10/25 00:24, , 1F
10/25 00:24, 1F
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