Question

Aflati a b c stiind ca sunt i.p. cu 0.25 0.(3) si 0.2 iar produsul lor este 7500 Dau coroana urgent

Answer 1

{a,b,c} ip {0.25;0.(3);0.2}
a=k/0.25=k/25/100=100k/25=4k
b=k/3/9=9k/3=3k
c=k/2/10=10k/2=5k
a*b*c=7500
4k*3k*5k=7500
60k³=7500
k³=7500/60
k³=125
k=5
a=4*5=20
b=3*5=15
c=5*5=25
Verificare:
a*b*c=7500
20*15*25=7500
300*25=7500
7500=7500
Solutiile sunt bune.