Question

найди число если 1/3=30,1/2=18 ,1/7=12 ,1/8=15 ,1/2=15 ,1//4=18

Answer 1

1/3=30
30*3=90

1/2=18
18*2=36

1/7=12
12*7=84

1/8=15
15*8=120

1/4=18
18*4=72