Question

(2,5-2 1/3)*(-5 1/7)+1 1/3:(-5,6)​

Answer 1

(2,5-2 1/3)*(-5 1/7)+1 1/3:(-5,6)

(5/2 - 7/3)*(-36/7) +4/3÷(-28/5)

1/6(-36/7)-4/3×(-5/28)

1/6(-36/7)-4/3×5/28

-6/7-1/3×5/7

-6/7-5/21

-23/21