а) 2√a + 6√a - 7√a = √a
б) √32 + √18 - √50 = 4√2 + 3√2 - 5√2 = 2√2
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а) 2√a + 6√a - 7√a = √a
б) √32 + √18 - √50 = 4√2 + 3√2 - 5√2 = 2√2