2. Вычислите: –1,9 – (1,25 + (–0,35) – 1). 3. Вычислите наиболее удобным способом:
– (–5,27) + 18,16 – 1,7 – 20,16 – 5,27.
4. Решите уравнение: а) x – 7,19= –5,14; б) (3,6 – x) – 4,9=13,6.
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