Răspuns :
a+b=63
a:b=6
a,b=?
a=6segmente
b=1segment
63:7=9(b)
9×6=54(a)
Verificare:54+9=63
a:b=6
a,b=?
a=6segmente
b=1segment
63:7=9(b)
9×6=54(a)
Verificare:54+9=63
a+b=63;a:b=6;a=|----|----|----|----|----|----|;b=|----|. 63:7=9 (b). 9×6=54 (a). Verificare:54+9=63.