Răspuns :
3)90% - - -162lei
100% - - - x lei
x=162*100/90=.180 lei(pretul initial)
1)3*5+2=17
2)A=[tex] \pi * r^{2} [/tex]=3,14*25=78,5
L=2[tex] \pi r[/tex]=10[tex] \pi [/tex]
100% - - - x lei
x=162*100/90=.180 lei(pretul initial)
1)3*5+2=17
2)A=[tex] \pi * r^{2} [/tex]=3,14*25=78,5
L=2[tex] \pi r[/tex]=10[tex] \pi [/tex]
1.Vine folosita teorema impartirii:D=ηC+R
D=3·1+2
D=5·1+2⇒D=5;7⇒D=c.m.m.m.c a lui (5 si 7)=35.
2.L=2piR
L=2·5pi
L=10pi.
3.90/100·162=729/5=145,8.
D=3·1+2
D=5·1+2⇒D=5;7⇒D=c.m.m.m.c a lui (5 si 7)=35.
2.L=2piR
L=2·5pi
L=10pi.
3.90/100·162=729/5=145,8.