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Sečti mnohočleny
Sečti mnohočleny:
\large 2,7{x^{2}} - 5{y^{2}} - \left \{ { - {x^{2}} - 3,5{y^{2}} - \left[ {3,4{x^{2}} - \left( {{x^{2}} + 3,5{y^{2}}} \right) } \right] } \right \}
= 2,7{x^{2}} – 5{y^{2}} + 3,4{x^{2}} =
\large = 5,1{x^{2}} - 5{y^{2}}
= 2,7{x^{2}} – 5{y^{2}} + 3,4{x^{2}} =
\large = 6,1{x^{2}} - 1,5{y^{2}}
= 2,7{x^{2}} – 5{y^{2}} + 3,4{x^{2}} =
\large = 6,1{x^{2}} - 8,5{y^{2}}
= 2,7{x^{2}} – 5{y^{2}} + 3,4{x^{2}} =
\large = 6,1{x^{2}} - 5{y^{2}}