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Mathematics
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OpenStudy (anonymous):
For a real number a, a + 0 = a. true or false For a real number a, a + (-a) = 1. true or false For a real numbers a and b, | a - b | = | b - a |. true or false For real numbers a, b, and c, a + (b ∙ c) = (a + b)(a + c). true or false For rational numbers a and b, (a/b) is always a rational number. true or false
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