Вынести множитель из-под знака корня: корень 9x^3y^5 , если х<0 и y<0
корень 9x^3y^5=3IxIIy^2IV(xy)=-3xy^2V(xy)
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1) log4 (4-x)=1
2) log4 (-3+x)=3
3) log8 (5-x)=1
4)log2 (-1-x)=1
5) log4 (-2-x)=1
6) log 5 (-1-x)=1
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III. Choose the proper form of the verb:
1 Mary (is getting gets got) up at 7 о clock every day
2. My friends (will play played, play) volleyball last week
3 Tim (is reading read reads) a book at the moment
4 My Mum (takes took will take) me to school tomorrow
5. He (buys bought is buying) this car a year ago
6.They (come came will come) to London in 1975
7 Helen usually (piay. plays, is playing) with her cat
8 Look' The child (sleeps, is sleeping, will sleep)
9. We (go. went will go) to Sochi last summer.
10. I always (have had, shall have) coffee for lunch.
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