Question 1183921
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Of the three methods,  shown by three tutors,  no one is better than another.



They all are good and are  EQUIVALENT,  and you,  the visitor,  can use  ANY  of them, with the same success.



It would be nice  (profitable)  for you to know all three methods.



Good student should know all of them - - - it is a necessary condition to have peace in mind and to be happy (!)