Question

1/2-4/45-13/15= по действиям

Answer 1

1/2 - 4/45 - 13/15 = - 41/90
1) 1/2 - 4/45 = 45/90 - 8/90 = 37/90
2) 37/90 - 13/15 = 37/90 - 78/90 = - 41/90