Math, asked by kulwanth2086, 8 months ago

The value of 9square-1is e
quality to

Answers

Answered by eswar169372

3

Answer:

80

Step-by-step explanation:

9 square is equal to 81.

9×9=81

9 square-1 is

81-1=80

the answer is 80.

please mark as brainlist

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