Предмет: Математика, автор: Аноним

только номер задания и ответ!

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Ответы

Автор ответа: Муса134

Ответ:

1 а

2 г

3 в

4 б

5 б

6 б

7 г

8 г

9 16:2=8

10 2,8*2=5,6

11 (1/2)*4*6=12 (2*12):4=6

12 60

13 1+4=5 частей, 180-90=90 сумма острых углов, 90:5*4=18*4=72

14 135

15 доказательство

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