Dear student, reciprocal =1-23×57+29÷13×67reciprocal =1-1021+29×31×67reciprocal =1-1021+2×27reciprocal =1-10+1221reciprocal =1221reciprocal =212 answer Regards

9. Number or. 2 Number

Dear student,

r e c i p r o c a l = \frac{1}{\frac{- 2}{3} \times \frac{5}{7} + \frac{2}{9} \div \frac{1}{3} \times \frac{6}{7}} r e c i p r o c a l = \frac{1}{\frac{- 10}{21} + \frac{2}{9} \times \frac{3}{1} \times \frac{6}{7}} r e c i p r o c a l = \frac{1}{\frac{- 10}{21} + \frac{2 \times 2}{7}} r e c i p r o c a l = \frac{1}{\frac{- 10 + 12}{21}} r e c i p r o c a l = \frac{1}{\frac{2}{21}} r e c i p r o c a l = \frac{21}{2} a n s w e r

Regards

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