Policzy mi ktoś te wszystkie przykłady?
(1/3x-1/7^2=
(0,2x+3a)^2=
(0,5x-4y)^2=
(9x-2a)^2=
(3/5-2/3y)^2=
(7x-3y)^2=
=1/9*x^2 + 1/49 - 2/21*x= 0,04*x^2 + 9*a^2 + 1,2*x*a=0,25*x^2 + 16*y^2 - 4*x*y
=81*x^2 + 4+a^2 - 38*x*a=9/25 + 4/9 *y^2 - 4/5 *y^2=49 *x^2 + 9* y^2 - 42*x*y
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=1/9*x^2 + 1/49 - 2/21*x
= 0,04*x^2 + 9*a^2 + 1,2*x*a
=0,25*x^2 + 16*y^2 - 4*x*y
=81*x^2 + 4+a^2 - 38*x*a
=9/25 + 4/9 *y^2 - 4/5 *y^2
=49 *x^2 + 9* y^2 - 42*x*y