Math, asked by nanu4647, 8 months ago

The velue (9²-1 is equal to :

Answers

Answered by spk250159

3

Answer:

80

Step-by-step explanation:

9^2=81

81-1=80

thnxxxxxx

Answered by templenayak089

1

Answer:

80

Step-by-step explanation:

9×9 = 81

81-1 = 80

it is correct or not

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