3/200.
Пошаговое объяснение:
((1/61)-(1/244))•1,22 = 3/200.
1. 1/61 - 1/244 = 4/244 - 1/244 = 3/244;
2. 3/244 • 1,22 = 3/244 • 1 11/50 = 3/244 • 61/50 = (3•61)/(244•50) = (3•1)/(4•50) = 3/200.
