10 Вправа 10Алгебра 8 клас Бевз 2025 · § 1 · стор. 9

10. Запиши у вигляді одночлена частку.

а) ${\displaystyle -8x^4:2x=}$${\displaystyle (-8:2)\cdot x^{4-1}=}$${\displaystyle -4x^3}$;

б) ${\displaystyle -9x^7:9x^5=}$${\displaystyle (-9:9)\cdot x^{7-5}=}$${\displaystyle -x^2}$;

в) ${\displaystyle 2,5x^7:(-0,5x^5)}$=

=${\displaystyle (2,5:(-0,5))\cdot x^{7-5}=}$${\displaystyle -5x^2}$;

г) ${\displaystyle -6x^4{y}^3:3x^4{y}^2}$=

=${\displaystyle (-6:3)\cdot x^{4-4}\cdot y^{3-2}=}$${\displaystyle -2y}$;

ґ) ${\displaystyle 32a{x}^3:8a{x}^2=}$${\displaystyle (32:8)\cdot a^{1-1}\cdot x^{3-2}=}$${\displaystyle 4x}$;

д) ${\displaystyle -1,2x^5{y}^4{c}^2:(-0,3y^{2}c)}$=

=${\displaystyle (-1,2:(-0,3))\cdot x^5\cdot y^{4-2}\cdot c^{2-1}=}$${\displaystyle 4x^5{y}^{2}c}$.