Question

г. (- 3 1/3 + 2 5/6) * (-8 5/9+ 7 2/9)

д. 1 1/3 * (-3/4)-(-2 1/7)* 1 2/5

е. 5/6 * (- 15,3- 24,3 * 5/9)

по действиям пожалуйста ​

Answer 1

Ответ:

1)-3 1/3 + 2 5/6 = - 3 2/6 + 2 5/6 = - (3 2/6 - 2 5/6)= (2 8/6 - 2 5/6)= -3/6 = -1/2

(-3 1/3 + 2 5/6) * (-8 5/9 + 7 2/9) = 2/3 2) -8 5/9 + 7 2/9 = - (8 5/9 -7 2/9) = -13/9 = - 11/3

3) - 1/2 * (-1 1/3) = -1/2 * (-4/3) = 2/3