Question

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determine o valor numerico de cada expressao algebrica para m=-2 n=4
B) -m/n -3n
c) m²-n²

Answer 1

b) -(-2)/4 -3(-2)

2/4 = 1/2 +6 = 13/2

c) (-2)² - 4²

4 - 16 = 12

outra) -3m + n

-3(-2) + 4

6 + 4 = 10