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Loomnegla
6 год назад
Упростите выражение:1)(а+1)(а^2-а+1)-а^3;
2)(х+у)(х^2-ху+у^2)-х(х^2+у^2)
3)(m-2)(m^2+4)+8
ОТВЕТЫ
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Житов
Jun 30, 2019
1)а^3+1-а^3=1
2)х^3+y^3-x^3-xy^2=y^3-xy^2
3)m^3+4m-2m^2-8+8=m^3+4m-2m^2
2)х^3+y^3-x^3-xy^2=y^3-xy^2
3)m^3+4m-2m^2-8+8=m^3+4m-2m^2
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