November 2021 0 2 Report
990. Решите уравнение: 1) 8,5 – (6,5 - x) = 3.8;
2) -2.3x + (2.8 + 9.3x) = 9.8:
3) -(9,8 - x) – 10,5 = -20.8;
4) -6,7x+ (-3,5 - 3,3x) = 6.5.​
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