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(12x³y²)²:(-3xy)4 · (1/4y)

Răspuns :

(12x³y²)²:(-3xy)⁴ · (1/4 y) =4x²y/9

(12x³y²)²=144x⁶y⁴

(-3xy)⁴=81x⁴y⁴

(12x³y²)² : (-3xy)⁴=144x⁶y⁴ :81x⁴y⁴ =16x²/9

16
x²/9 · 1/4 y = 4x²y/9