Răspuns :
( - 4x² / 9y^5 ) : 2x²y / 15xy² =
= -4x²/9y^5 × 15xy² / 2x²y =
= - 2/3y^5 × 5xy =
= - 2/3y^4 ×5x = -10x/3y^4
= -4x²/9y^5 × 15xy² / 2x²y =
= - 2/3y^5 × 5xy =
= - 2/3y^4 ×5x = -10x/3y^4
(-4x²\9y⁵)÷2x²y\15xy²=
-4x²\9y⁵×15xy²\2x²y= simplificam x²cux²,9cu15prin 3 ,y⁵cu y2
-2\3y³×5x\y=-10x\3y⁴
\⇒linia de fractie
-4x²\9y⁵×15xy²\2x²y= simplificam x²cux²,9cu15prin 3 ,y⁵cu y2
-2\3y³×5x\y=-10x\3y⁴
\⇒linia de fractie