(3 целых 1/8-2целых5/12)*(-1целая3/13)

Question

(3 целых 1/8-2целых5/12)*(-1целая3/13)

Answer 1

(3 1/8 - 2 5/12) * (-1 3/13) = - 34/39

1) 3 1/8 - 2 5/12 = 3 3/24 - 2 10/24 = 2 27/24 - 2 10/24 = 17/24

2) 17/24 * (-1 3/13) = 17/24 * (-16/13) = - (17*2)/(3*13) = - 34/39

Comments

спасибоо!!!