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Mathematics, 18.08.2019 04:10 kanerobertrosss2213

If a * b = a - 3b and a # b = 2a + 3b, evaluate the expression (4 * 3) # 5.

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If a * b = a - 3b and a # b = 2a + 3b, evaluate the expression (4 * 3) # 5....
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