Răspuns :
S = 19 + 32 + 58 + 91 + 42 + 81 + 55 + 9 + 100
S = ( 19 + 81 ) + ( 58 + 42 ) + ( 91 + 9 ) + ( 55 + 32 ) + 100
S = 100 + 100 + 100 + 100 + 87
S = 400 + 87
S = 487
Succes !
S = ( 19 + 81 ) + ( 58 + 42 ) + ( 91 + 9 ) + ( 55 + 32 ) + 100
S = 100 + 100 + 100 + 100 + 87
S = 400 + 87
S = 487
Succes !