(√5-√2)^2+√40= помагите плиииз

(√a-3b)(√a-3b)=
 

о характеризуйте науку как особую систему знаний!

рифма к строчке " Я не верю в чедеса"

           Здравствуйте. Пожалуйста прошу Вас, помогите! срочно! Надо сделать 2 задания. №1 ( надо перевести слова на русский ) 1) farmland 2) Grasslands 3) Wildland 4) great-grandpaents 5) canoe 6) endless 7) waterways 8) mighty 9) to rise 10) to streach 11) a shore 12) a desert 13) a chain 14) an attraction 15) mixture 16) to melt 17) a melting pot.

           №2 И вот с этим же словами на английский, вставить их вот в эти предложения: 1) Rivers have always been used as important ... 2) A ... is a long, light, narrow boat, first used by American Indias. 3) What do children usually do on the ... ? 4)This tea is ... of three different sorts. 5) Disneyland is a place full of ... both for children and grown-ups. 6) At what temperature does uce ... ? 7) Do you know where the Miskva River ... ? 8) From the deck they could see a beautiful cottage on the .. of the sea. 9) There were some rocks on the eastern ... of the lake. 10) The ... was sandly and we often played there in summer. 11) The eagle flew up tp the sky on its ... wings. Спасибо Вам большое заранее!