请教大家几道数学题,谢谢, 求详解
1. Whatfractional part of the total surface area of cube C is red?
(1) Each of 3 faces of C is exactly 1/2 red.
(2) Ech of 3 faces of C is entirely white. 答案是 这两个条件合并起来才能回答上面的问题
2.Each person on a committee with 40 members voted for exactly one of 3 candidates, F, G, or H. Did Candidate F receive the most votes from the 40 votes cast?
(1) candidate F received 11 of the votes.
(2) candidate H received 14 of the votes答案是 第一个条件能回答上面的数学题,而第二个条件不能