2.101 × 2 = 202。3.102 × 3 = 306。4.103 × 4 = 412。5.104 × 5 = 520。6.105 × 6 = 630。7.106 × 7 = 742。8.107 × 8 = 856。9.108 × 9 = 972。10.109 × 8 = 872。11.210 × 1 = 210。12.211 × 2 = 422。13.212 × 3 = 636。14.213 × 4 = 852。15.214 × 5 = 1070。16.215 × 6 = 1290。17.216 × 7 = 1512。18.217 × 8 = 1736。19.218 × 9 = 1962。20.219 × 8 = 1752。21.320 × 1 = 320。