Question

3/8*2/5*5/9=
c решением)

Answer 1

3/8*2/5=3*2/8*5=6/40

6/40*5/9=30/360=1/12

Answer 2

3/8*2/5*5/9=3*2*5/8*5*9=30/360=15/180=5/60=1/12
3*2*5=30
8*5*9=360
30:2=15
360:2=180
15:3=5
180:3=60
5:5=1
60:5=12
ответ:1/12