c**********d
发帖数: 1933 | 1 Susan has invited her family to Thanksgiving Dinner. As her plates are not t
he best, Susan wants to buy new plates – one for each person at her Thanksg
iving Dinner.
There’ll be a grandfather, a grandmother, two fathers, two mothers, four ch
ildren, three grandchildren, one brother, two sisters, two sons, two daughte
rs, one father-in-law, one mother-in-law and a daughter-in-law.
At least how many plates does Susan need to buy? | d*****q
发帖数: 849 | 2 这个题目我之前回答过一次了
画一个图就出来了
呵呵
t
Thanksg
ch
daughte
【在 c**********d 的大作中提到】
: Susan has invited her family to Thanksgiving Dinner. As her plates are not t
: he best, Susan wants to buy new plates – one for each person at her Thanksg
: iving Dinner.
: There’ll be a grandfather, a grandmother, two fathers, two mothers, four ch
: ildren, three grandchildren, one brother, two sisters, two sons, two daughte
: rs, one father-in-law, one mother-in-law and a daughter-in-law.
: At least how many plates does Susan need to buy?
| o********r
发帖数: 775 | 3 7?
One possibility:
M(A) -> M(B)
F(C) -> F(D)
M(B) X F(D) -> M(E),F(F), F(G) | c**********d
发帖数: 1933 | 4 答对了
【在 o********r 的大作中提到】
: 7?
: One possibility:
: M(A) -> M(B)
: F(C) -> F(D)
: M(B) X F(D) -> M(E),F(F), F(G)
|
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