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1 Where did you go your last holiday?

2 When did you go?

3 who did you go with?

4 how did you get there?

5 where did you stay?

6 how long were you there?

7 did you have a good weather?

8 what did you do during the day?

9 what did you do at night?

10 did you have a good time?

11 did you have any problems?

как от свернутой формы записи десятичного числа перейти к его развернутой форме 

вычислите используя приём гаусса

1+3+5+7+9+...+99=