1/7 +[ 7/9 - ( 3/9 + 2/9 ) - 2/9 ] is equal to

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A1/7

B1/9

C2/9

D3/7

Answer:

1/7 + [ 7/9 - 5/9 - 2/9 ] = 1/7 + 0 = 1/7

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