Question

вычисли 2/3+(0,15-17/60)

Answer 1

2/3+(0,15-17/60) =8/15
1) 0,15-17/60=15/100-1760=3/20-17/60=9/60-17/60=-8/60=-2/15
2) 2/3+(-2/15)=2/3-2/15=10/15-2/15=8/15