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16 Listen and find out what Duncan did yesterday.
Ask a friend.
1 Did you listen to music?
5 Did you have homework?
2 Did you walk to school?
6 Did you visit a friend?
3 Did you watch TV?
7 Did you go to a supermarket
4 Did you clean your teeth?
8 Did you help at home?

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кариетнаа
кариетнаа
4,8(38 оценок)

(-2:2)

(3:3)

Объяснение:

(-2;2)- -2-это Х ; 2-это У

х-5у=-12

-2-5у=-12

-5у=-10

у=2

так же (3;3)

3-5у=-12

-5у=-15

у=3

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