乘法
口诀
用26的乘法口诀求商,126 102 124 57=62 84 93 56=48=,2,5,3,35,3,2,3,30,32,46=24,244=,246=,6,4,想:四()二十四,六,想:()六二十四,四,可以装成6屉,每屉4个,乘法口诀:四六二十四,164=想:()四十六,商是()。305=想:五()三十,商是()。306=想:()六三十,商是()。,4,四,4,6,六,6,5,五,5,5,4,6,3,5,3,4,5,20,20,4,5,20,5,4,1,4,5,2,6,5,4,2,