Question

2 1/2x(2/15-3 5/6)-2 3/4=
(c объяснением)

Answer 1

2 1/2x(2/15-3 5/6)-2 3/4= -12

1)2/15-3 5/6=4/30-3 25/30=-3 21/30=-3 7/10
2)2,5*(-3,7)=-9,25
3)-9,25-2,75=-12