Răspuns :
a |____|
b|____|____|____|____|____|____|____|____| }63
63:9=7 a
7×8=56 b
Verificare : 56+7=63
b|____|____|____|____|____|____|____|____| }63
63:9=7 a
7×8=56 b
Verificare : 56+7=63
a+b=63
/----/ b
/----/----/----/---/---/---/---/---/ a
total: 9 segmente
63:9=7
b=7
a=7x8=56
nr. sunt 56 si 7
/----/ b
/----/----/----/---/---/---/---/---/ a
total: 9 segmente
63:9=7
b=7
a=7x8=56
nr. sunt 56 si 7