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90² + 54² - 65² =
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90² + 54² - 65² =
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90² + 54² - 65²
( 90 × 90 ) + ( 54 × 54 ) - ( 65 × 65 )
8.100 + 2.916 - 4.225
11.016 - 4.225
6.791
90² + 54² - 65²
= (90 × 90) + (54 × 54) - (65 × 65)
= 8.100 + 2.916 - 4.225
= 11.016 - 4.225
= 6.791