Răspuns :
111<x<502
x.16=c rest 6
x:20=c rest 10
x:24=c rest 14
x=?
x=16*14+6
x=224+6
x=230
230:16=14 rest 6....=> 230=16*14+6
230=224+6
230=230
230:20=11 rest 10...=> 230=11*20+10
230=220+10
230=230
230:24=9 rest 14.....=> 230=24*9+14
230=216+14
230=230
111<230<502
x.16=c rest 6
x:20=c rest 10
x:24=c rest 14
x=?
x=16*14+6
x=224+6
x=230
230:16=14 rest 6....=> 230=16*14+6
230=224+6
230=230
230:20=11 rest 10...=> 230=11*20+10
230=220+10
230=230
230:24=9 rest 14.....=> 230=24*9+14
230=216+14
230=230
111<230<502
n=16a+6
n=20b+10
n=24c+14
n+10=16a+6+10=16a+16=16(a+1)=16d
n+10=20b+10+10=............................=20e
n+10=24c+14+10=............................=24f
n+10 |[16;20;24]
n+10| 240
n+10∈{0;240;480;720;960;....}
n =240k-10 unde k∈N si n∈N
n∈{230;470;710;...}
cum 111<n<502 ⇒n∈{230;470}
n=20b+10
n=24c+14
n+10=16a+6+10=16a+16=16(a+1)=16d
n+10=20b+10+10=............................=20e
n+10=24c+14+10=............................=24f
n+10 |[16;20;24]
n+10| 240
n+10∈{0;240;480;720;960;....}
n =240k-10 unde k∈N si n∈N
n∈{230;470;710;...}
cum 111<n<502 ⇒n∈{230;470}