Предмет: Математика, автор: lila20111

Решите пожалуйста 2 задания

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Ответы

Автор ответа: IrkaShevko

1)y' = 5/(5x+25)=1/(x+5)
2) y'=(2x^3-3x^2(2x+5))/x^6 = (-4x-15)/x^4

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Выберите правильный вариант ответа:

1) The animals were quiet because………………
a. they wanted to drink
b. the lion was there
c. there was a lot of noise

2) The mouse ……………………. the right answer.
a. did not know
b. asked for
c. gave

3) The mouse gave ……………….. answer
a. the same
b. a wrong
c. a long

4) The lion ………………….. the elephant
a. was friendly to
b. said hello to
c. talked to

5) The lion was angry because the elephant ……………………..
a. had a big nose
b. talked
c. did not answer.

6)The elephant trunk was …………………
a. very strong
b. not big
c. short

7) The elephant did not ………………………….

a. know the answer
b. like the question
c. throw the lion into the water

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