Question

7) a = 2/3 , b= 4/5 and c = -5/6 o Munió o a+ (b + c) = (a + b) + c verify answer


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Answer 1

Answer:

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Answer 2

2/3+(4/5+-5/6)=(2/3+4/5)+-5/6

$\frac{19}{30} = \frac{19}{30} \\ = True$

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