Question

(-2,5+2 1/3 )*(-5 1/7)+1 1/3:(-5,6)
ребят помогите пж срочно

Answer 1

1) - 2,5 + 2 1/3 = - 2 1/2 + 2 1/3 = - 2 3/6 + 2 2/6 = - 1/6
2) - 1/6 * ( - 5 1/7 ) = - 1/6 * ( - 36/7 ) = 6/7
3) 1 1/3 : ( - 5,6 ) = 4/3 : ( - 28/5 ) = - 5/21
4) 6/7 - 5/21 = 18/21 - 5/21 = 13/21 ( Ответ )