Question

Решите плиз очень нужно!!!!!!

Answer 1

-1 2/5  +(-3,6)= -1,4+(-3,6) = -5
-2 5/6 +(-2/3)= -2 5/6 + (-4/6) = -2 9/6 = -3 1/2
-5 +(-3 1/2)=-8 1/2 = -8,5.