2.264 × 7 = 1848。3.345 × 3 = 1035。4.128 × 5 = 640。5.126 × 7 = 882。6.361 × 5 = 1805。7.218 × 9 = 1962。8.661 × 5 = 3305。9.247 × 6 = 1482。10.354 × 7 = 2478。11.288 × 7 = 2016。12.666 × 6 = 3996。13.554 × 6 = 3324。14.574 × 8 = 4592。15.520 × 8 = 4160。16.120 × 5 = 600。17.524 × 8 = 4192。18.852 × 9 = 7668。19.221 × 9 = 1989。20.921 × 8 = 7368。三位数乘以一位数的计算方法如下：