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Автор - valeriaesina19

Помогите решить уравнения:а)1,2x+5,6+4,8x=17,06
б)3x+1,3x+6,7x=122
в)6,7x+9x+3,3x=57

Ответ

Автор - fqhfgnvhgfgf
1,2x+4,8x=17,06-5,66х=11,46
Х=11,46/6
х=1,91

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