1) 2 1/3 - 5/31 - 7/31 + 75/31 - 35/3 - 112/3

Question

Вопрос:

1) 2 1/3 - 5/31 - 7/31 + 75/31 - 35/3 - 112/3

Accepted Answer

1) 2 1/3 - 5/31 - 7/31 + 75/31 - 35/3 - 112/3 = 7/3 - 5/31 - 7/31 + 75/31 - 35/3 - 112/3 = (7/3 - 35/3 - 112/3) + (- 5/31 - 7/31 + 75/31) = (7 - 35 - 112)/3 + (-5 - 7 + 75)/31 = -140/3 + 63/31 = -140/3 + 63/31 = (-140*31 + 63*3)/(3*31) = (-4340 + 189)/93 = -4151/93 = -44 59/93

Ответ: -44 59/93