Найду корень уравнения: 2,5x-1,99x=12,6
5*x 199*x --- - ----- = 63/5 2 100
(5/2)*x-(199/100)*x = (63/5)
5/2x-199/100x = (63/5)
5/2x-199/100x = 63/5
51*x/100 = 63/5
x = 63/5 / (51/100)
сумма
420 0 + --- 17
=
420 --- 17
произведение
420 1*--- 17
=
420 --- 17
x1 = 24.7058823529412