0,625*p+2/5*p-6/40*p,если p=4 2/3

Question

0,625*p+2/5*p-6/40*p,если p=4 2/3

Answer 1

5/8*p+2/5*p-6/40*p=(5/8+2/5+6/40)*p=(25+16+6)/40*p=47/40*p
47/40*4 2/3=47/40*14/3=47*7/20*3=329/60=5 29/60

Comments

спасибо!