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Sets and Its Operations
1-State which of the following is a set and which isn't set:
1) The colours of the Egyptian flag ……………………….
2) Days of the week ……………………………
3) Beautiful cities in Egypt …………………..
4) The English alphabet ………………………
2-Express each of the following sets by listing method:
1) A = the set of days of a week
………………………………………………………………………………..
2) X = the set of digits of the number 323235
………………………………………………………………………………..
3) B = the set of letters of word "door“
………………………………………………………………………………..
L = the set of prime number less than 17
………………………………………………………………………………..
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