Math, asked by raj7833, 1 year ago

21square – 20square

Answers

Answered by Anonymous

0

Answer:

441 - 400 = 1 ..

#girlynautanki

Answered by dev1610

0

square of 21 is 441 and square of 20 is 400

21 square - 20 square

441-400

=41

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