Question

If a =-11/27 b=4/9 c=-5/78 then verify that a+(b+c)=(a+b)+c

Answer 1

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Answer 2

The answer of above series can be derived by various ways.

2+3 = 8-> (2*3+2)

3+7 = 27->(3*7+6)

4+5 = 32->(4*5+12)

5+8 = 60->(5*8+20)

6+7 = 72->(6*7+30)

7+8 = 98->(7*8+42)

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