Question

p-(4/9p+5/18p) ,если р = 18 , р = 3 3/5 решение плиз

Answer 1

р-(4/9p+5/18p)=18/18p-8/18p+5/18p=p( (18-8+5)/18)=15/18p
p=18
15/18p= (15*18)/18=15
p=3 3/5 = 18/5
15/18p=15/18*18/5=(15*18)/(18*5)=3