bjr
A = 3³ x 9 / 3 x 3² = 3³ x 3² / 3 x 3² = 3³ / 3 = 3³⁻¹ = 3²
B = 2⁴ x 16 / 2⁶ = 2⁴ x 2⁴ / 2⁶ = 2⁴⁺⁴ / 2⁶ = 2⁸⁻⁶ = 2²
C = 5 x 5³ / 125 = 5 x 5³ / 5³ = 5
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bjr
A = 3³ x 9 / 3 x 3² = 3³ x 3² / 3 x 3² = 3³ / 3 = 3³⁻¹ = 3²
B = 2⁴ x 16 / 2⁶ = 2⁴ x 2⁴ / 2⁶ = 2⁴⁺⁴ / 2⁶ = 2⁸⁻⁶ = 2²
C = 5 x 5³ / 125 = 5 x 5³ / 5³ = 5