Question

а)3 34+2 47   б)2 49-1 56  в)7 1115-(3 920+1 130 помогите плиз))

Answer 1

а)15/4+18/7=105+72/28=177/28=6 9/28
б)22/9-11/6=132-99/54=33/54=11/18
в)69/20+31/30=204+62/60=266/60=4 26/60=413/30
  116/15-133/30=232-133/30=99/30=3 9/30=3 3/10