Вычислите.выразите ответ. в метрах(45дм+50см)-3м

1 м = 0,1 дм = 0,01 см

Переведём дециметры и сантиметры в метры: 

45 дм = (45 * 0,1) м = 4,5 м
50 см = (50 * 0,01) м = 0,5 м

(4,5 м + 0,5 м) - 3 м = 5 м - 3 м= 2 м

ответ: 2 метра.

Last year I and my parents had a rest in Turkey in the beautiful city called Kemer. It is a marvellous city! There are lots of recreational facilities there as well as a great number of different shops where everyone can choose a thing of his or her choice to buy. There are all sorts of musical venues like little jazz bars all over the city. We have visited lots of museums there, most of them had ancient things on display including ceramics, armament and clothing that Turkish people wore 200 years ago.

He said to come quickly. He asked if I had arrived before even. I asked how his holidyay had been. She said that she would had visited the hospital if she had known I had been sick. I said not to touch. She said that she would see Mary on Sunday. She said that Pete and Mary were getting merried the following day. She said that Stephan was bringing some records to the party the following day.
She said that she really liked that furniture. She said that her parents were arriving the following day.