Question

suma a trei numere este588.al doilea de trei ori mai mare decat primul,iar al treilea este cu 21 mai mare decat al doilea.sa se afle cele trei numere

Answer 1

a|------|                                                           }
b|------|-----|----|                                               }588
c|------|-----|-----|----------| aici e cu  21 mai mare   }
Egalam partile 588-21=567
Cat e a ?
567:7=81
Cat  e b ?
81*3=243
Cat e c ?
243+21=264
VERIFICARE :81+  
                      243
                      264
                   -----------
                           588
SPER CA TE-AM AJUTAT

Answer 2

a+b+c=588
b=3a
c=b+21=3a+21
a/---/
b/--/---/---/
c/---/---/--/_+21
egalam segmentele
588-21=567;
avem 7 segmente 
cat este un segment sau a
567:7=81
b=3a=3*81=243
c=b+21=243+21=264
verifcare
a+b+c=81+243+264=588