1) (3*5)/(16)*х - (3)/(8)*у - (6)/(10)*х - (5)/(4)*у =
= (15)/(16)*х - (3)/(5)*х - (3)/(8)*у - (5)/(4)*у
(27)/(80)*х - (13)/(8)*у
2) elev1 = 2*elev2
elev1 - 680 = elev2 + 126
=> 2*elev2 - 680 = elev2 + 126
elev2 = 806
elev1 = 1612
1) (3*5)/(16)*х - (3)/(8)*у - (6)/(10)*х - (5)/(4)*у =
= (15)/(16)*х - (3)/(5)*х - (3)/(8)*у - (5)/(4)*у
(27)/(80)*х - (13)/(8)*у
2) elev1 = 2*elev2
elev1 - 680 = elev2 + 126
=> 2*elev2 - 680 = elev2 + 126
elev2 = 806
elev1 = 1612