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Golf for 6 2014-04-21
barbara pose la question :
We are a group of 6 golfers. We play in groups of 3 for 5 days. How can I arrange the groups that everybody plays with everybody else at least once? Thanks.
Victoria West lui répond.
A schedule for 6 people 2014-03-29
John pose la question :
How do I set up a schedule where six people are here for ten of twenty days. Arranged in rotating groups of three, so everyone works with everyone else. Everyone works with everyone else at least once and everyone works ten days.
Victoria West lui répond.
The intersection of normal subgroups 2012-08-13
nokks pose la question :
let (G,*) BE A Group and prove that the intresection of normal subgroups of G is itself a normal subgroup of G
Penny Nom lui répond.
Six people divided into three groups of two 2012-07-09
Fatima pose la question :
Six people call them A,B,C,D,E,F are randomly divided into three groups of two,find the probability of the below event(do not impose unwanted ordering among groups) E andF are in the same group I solved it but I have a doubt that it is wrong . My answer is 576 Please help to solve this problem.
Lorraine Dame and Penny Nom lui répond.
Which lets you put equal groups together? 2007-01-20
Kathy pose la question :
Which lets you put equal groups together? division, multiplication, subtraction, estimation
Stephen La Rocque lui répond.
Addends can be grouped differently but the sum does not change 2002-09-03
Jodia pose la question :
I have been searching the web for over an hour & a half now for the answer to the following question:

The _____ states that addends can be grouped differently but the sum does not change.


Penny Nom lui répond.
 
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