как сделать выполни сложение наиболее удобным способом 8+2+7 сформулируй применённое своиство сложения

найдите значение выражения 1,5х в степени 3 - 2,4у при х=-1 , у=2

 6,713 округлить до десятых

Помогите! Срочно! Плз!

Переделайте предложения из прямой речи в косвенную.

"Its so cold today", Ann said.

"Helen didnt come to the party last night", Bob said.

"My mum isnt very well", Mary said.

"I"ll tell Sue i saw you", George said.

"I havent talked to Jane recently",  Anna said.

" We"re living in New York now", Steve said.

" I"ll meet Jane tomorrow", Tony said.

"John has quit his job", Diana said.

"You can visit us any time", Jenny said.

"They are getting married next Sunday", Sue said.

" I didnt go to work yesterday", Luke said.

" We played well but we lost the game", Tom said.

" Im flying to Madrid this Sunday", Paula said.

" I"ll be here next Monday", Charlie said.

" We went to the cinema last Tuesday", John said.

приведите 2-3 примера устойчивых сочетаний с повторяющимися союзами в которых запятая не ставится