(х+2)" + (х-2)" = 3х"-9

помогите пожайста очень срочно надо...

сочинение  про Малую медведицу(2 кл.)

Rewrite the text form active into passive.

Last week, the Mayor opened Bluemoores is new shopping mall.They gave him a tour and introduced him to some shop owners.Then, they took him to lunch in the restaurant.The Mayor told them that he had enjoyed the visit very much.

предложение со словочитанием весеннее половодье в винительном падеже