Simplify the expression (where a, b, and c are different real numbers) :
(x−a)(x−b)(c−a)(c−b)+(x−b)(x−c)(a−b)(a−c)+(x−c)(x−a)(b−c)(b−a)
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Mình không chắc lắm đâu nhé nha !
nhóm 1:/t/:watched;brushed;talked;touched;fixed;laughed;worked.
nhóm 2:/d/:introned;changed;rented;combed;d;filled;decided;showered.
nhóm 3:/id/:nedded;neglected.
1, The teacher never loses his temper.
2, Our father often worried when my sister was ill.
1.The teacher never loses his temple.
2.Our father often worried when my sister was ill.
nha.
the North London Arts Cinema opens 7 days a week
the title of film next week is midnight meeting
the film lasts 2 hours and fifteen minutes
a student has to brring student card if he/she wants the cheaper ket
who will take your son to the zoo next weekend?
where do your parents live?
what did tom give you five day ago
who is your new literature teacher
where is next to the museum
1) Who will take my son to the zoo next weekend?
2) Where do my parents live?
3) Who did Tom gave me 5 days ago?
4) Who is our new literature teacher?
5) Which is there next to the museum?
1 Do the students always work hard for the exam?
Yes,they do.
2 Does the train leave at noon every day?
Yes,it does.
3 Does he often play the guitar?
Yes,he does.
4 Does Nam go to school by bike every morning?
Yes,he does.
5 Do Ana and Daisy visit their old teachers on winter holidays?
Yes,they do.
6 Does the water boil at 100 degrees Celsius?
Yes,it does.