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Упростите выражение;
1) 12x^4/m^3n^3 : x^3/4mn^2
2) 16mx^2/3y^3 : (4m^3x)
3) -6xy^2/5ab : (9x^2y^2/10ab)
Упростите выражение;
1) 12x^4/m^3n^3 : x^3/4mn^2
2) 16mx^2/3y^3 : (4m^3x)
3) -6xy^2/5ab : (9x^2y^2/10ab)
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Объяснение:
1)
12х⁴/m³n³ : x³/4mn² =
12x⁴/m³n³ * 4mn²/x³ =
48mn²x⁴/m³n³x³ = 48x/m²n
2)
16mx²/3y³ : 4m³x =
16mx²/3y³ * (1/4)m³x =
16mx²/12y³ * m³x =
4mx²/3y³ * m³x = 4m⁴x³/3y³
3)
-6xy²/5ab : 9x²y²/10ab =
-6xy²/5ab * 10ab/9x²y² =
-6x/5 * 10/9x² = -6x * 2/9x² =
-12x/9x² = -4/3x