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Автор - Jukovaludmila321

Помогите решить все номера​

Ответ

Автор - yaroslava12345678910

Ответ:

Ниже

1. а)479(583-483)= 479×100= 47900

б) 3332- 450+33=2915

2.а) 74x +27

б)300c

3.а) 6y= 617+25

6y =642

y= 107

б) 8x =104

x=13

в)x= 87-27+23

x=83

4. вторую бригаду берем за x, первая 3x

x+3x=56

4x =56

x= 14

14×3 =42

5. Ну ты сам, я тебе так не смогу решить

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