Question

Simplify and express the result in the form of a rational number ( 3 / 11 × 2 / 9 ) + ( - 6 / 21 ÷ 1 / - 42 ) - ( -2/ 3 × 9 / 24 ) - ( - 2 / 7 × - 21 )

Answer 1

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Answer 2

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