Completează tabelele: b 3 4. 5 5 6 2. 3 4. b x 12 a x 14 15 x b 16 Xa

Răspuns:
ax 14- 28,42,56,70
16xa- 32,48,64,80
bx12- 36,48,60,72
15xb- 45,60,75,90