-8 1/6 - 4.75 +0.3 = -8 1/6 - 4 3/4 + 3/10 = -8 10/60 - 4 45/60 + 18/60 = -7 70/60 - 4 45/60 +18/60 = -12 55/60 + 18/60 = -12 37/60
ответ: -12 37/60
2 7/20- 2.38 - 1.4 = 2.35-2.38-1.4= -0.03-1.4= -1.43
ответ: -1.43
-3/8 + 0.025-1.5=-0.375+0.025-1.5= -3.35-1.5= -1.85
ответ: -1.85
