Ответы и объяснения

2014-01-24T08:46:08+04:00
(8x+3y)^2=64 x^{2} + 48xy + 9 y^{2}
(6m-4n)^2=36 m^{2} - 48mn + 16 n^{2}
(9p-2g)^2=81 p^{2} - 36pg + 4 g^{2}
(10z+3t)^2=100 z^{2} + 60zt + 9 t^{2}