4 1/3:(5/6+0,25)-3.6 (7/12+1.9)

    4 1/3 : (5/6 + 0,25) - 3.6 * (7/12 + 1,9) = - 4,94 1. 5/6 + 0,25 = 5/6 + 1/4 = 10/12 + 3/12 = 13/12 2. 4 1/3 : 13/12 = 13/3 * 12/13 = 4 3. 7/12 + 1,9 = 7/12 + 19/10 = 35/60 + 114/60 = 149/60 = 2 29/60 4. 3,6 * 2 29/60 = 36/10 * 149/60 = 894/100 = 8,94 5. 4 - 8,94 = - 4,94