简便计算,41.2×8.1+11×1.25+53.7×1.9

来源：学生作业帮编辑：作业帮分类：数学作业时间：2024/11/05 18:52:23

41.2×8.1+11×1.25+53.7×1.9 =41.2x10-41.2x1.9+1.1x12.5+53.7x1.9 =412+1.9x(53.7-41.2)+1.1x12.5 =412+1.9x12.5+1.1x12.5 =412+12.5x(1.9+1.1) =412+12.5x3 =412+37.5 =449.5

41.2*8.1+11*1.25+53.7*1.9简便计算用简便计算41.2*8.1+11*1.25+53.7*1.9 简便计算41.2*8.1+11*1.25+53.7*1.9急待解决. 简便计算41.2*8.1+11*1.25+53.7*1.9 简便方法计算：41.2*8.1+11*1.25+53.7*1.9怎么算呢? 41.2*8.1＋11*1.25＋53.7*1.9 如何简便计算?（脱式） 41.2*8.1+1.1*12.5+53.7*1.9用简便方法计算 41.2×8.1+11×1.25+5.37×19简便计算 41.2乘8.1加上11乘1.25加53.7乘地1.9用简便方法怎么计算 53.7*1.9+41.2*8.1+11*1.25的简便运算 41.2×8.1+537×0.19 简便计算简便计算：0.5×1.25×2×8×11