Question

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Answer 1

$A = \binom{1 \: \: - 2 }{0 \: \: \: \: \: \: 3} \\ \\ A = 1.3 - ( - 2).0 \\ A = 3 - 0 \\ A = 3$

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$B = \binom{1 \: \: - 4 }{0 \: \: \: \: \: \: \: 5} \\ \\ B = 1.5 - ( - 4).0 \\ B = 5 - 0 \\ B = 5$

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$(2A - B) \\ 2.3 - 5 \\ 6 - 5 \\ 1$