Ответ: (0.1224 / 1.2 — 2/5) * 0.6 — 0.6 = (0.102 — 0.4) * 0.6 — 0.6 = (- 0.298) * 0.6 — 0.6 =- 0.1788 — 0.6 = — 0.7788

Ответ: (0,1224÷1,2-2/5)×0,6-0,6=(1224/10000×10/12-2/5)×0,6-0,6==(51/500-200/500)×0,6-0,6=-149/500×6/10-6/10=-894/5000-3000/5000==-3894/5000