Автор - Inkpotts

2(12с – 7) + 6(5 – 4с) – 3(2с + 5) при с = 0,83

Ответ

Автор - krugly1981
24c - 14 + 30 - 24c - 6c - 15 = - 6c - 29 + 30 = - 6c + 1
При c = 0,83
- 6c + 1 = - 6 × 0,83 + 1 = - 4,98 + 1 = - 3,98

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