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Apr
23
accepted Simple trigonometry simplification
Apr
23
comment Simple trigonometry simplification
Thank you very much!!! I have never thought of changing the denominator like that :)
Apr
23
awarded  Supporter
Apr
23
asked Simple trigonometry simplification
Apr
15
comment Probability: Taking Cups From A Box
Thank you! I have asked my friend and he said 4! is a typo. (should be 5!) Thank you again for your explanation, I understand both of the two methods now :)
Apr
15
revised Probability: Taking Cups From A Box
edited body
Apr
15
accepted Probability: Taking Cups From A Box
Apr
15
revised Probability: Taking Cups From A Box
added 4 characters in body
Apr
15
comment Probability: Taking Cups From A Box
@AndréNicolas Can you tell me why I am correct? After my friend told me his solution, I am so confused with the question ...
Apr
15
revised Probability: Taking Cups From A Box
added 4 characters in body
Apr
15
revised Probability: Taking Cups From A Box
added 138 characters in body
Apr
15
revised Probability: Taking Cups From A Box
edited body
Apr
15
asked Probability: Taking Cups From A Box
Apr
13
awarded  Scholar
Apr
13
revised Shooting game - a probability question
A number is wrong so I correct it from 7 to 6.
Apr
13
comment Shooting game - a probability question
@Lost1 Thank you very much, you make it clear!
Apr
13
accepted Shooting game - a probability question
Apr
13
suggested approved edit on Shooting game - a probability question
Apr
13
awarded  Editor
Apr
13
revised Shooting game - a probability question
added 69 characters in body