Chemistry, asked by baby3419, 11 months ago

Simplify.

3 by 7 + 1 by 21 - 1 by 40

Answers

Answered by adarshupadhyay28

1

hopefully this would be your answer

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Answered by pal69

1

3/7+1/21-1/40

(360+40-21)/840=379/840

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