简便计算41.2*8.1+11*1.25+53.7*1.9
来源:学生作业帮助网 编辑:作业帮 时间:2024/05/06 03:54:56
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
简便计算41.2*8.1+11*1.25+53.7*1.9
原式=41.2*(10-1.9)+53.7*1.9+11*1.25
=41.2*10-41.2*1.9+53.7*1.9+11*1.25
=412+(53.7-41.2)*1.9+11*1.25
=412+12.5*1.9+11.1.25
=412+1.25*19+11*.25
=412+(11+19)*1.25
=412+30*1.25
=412+37.5
=449.5
原式 = 41.2 *(8+0.1) + (8+3)*1.25 + 53.7*(2-0.1)
= 329.6 + 4.12 + 10 + 3.75 + 107.4 - 5.37
= (329.6+107.4) + 14.12 + 3.75 - 5.37
= 437 + (17.87-5.37)
= 437 + 12.5
= 449.5
41.2*8.1+11*1.25+53.7*1.9简便计算
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
简便计算,41.2×8.1+11×1.25+53.7×1.9
41.2×8.1+11×1.25+5.37×19简便计算
41.2×8.1+11×1.25+53.7×1.9=(要求简便计算)
41.2×8.1+11×1.25+5.37×19简便计算
41.2×8.1+11×9.25+537×0.19如何简便计算
56*1.25简便计算简便计算 拖式
3.57÷1.25简便计算简便计算~
用简便计算41.2*8.1+11*1.25+53.7*1.9*表示乘号
41.2*8.1+11*1.25+53.7*1.9 如何简便计算?(脱式)*是乘号
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)*是乘号
41.2×8.1+537×0.19 简便计算
简便计算:0.5×1.25×2×8×11
8.1/45简便计算
1.25×0.56简便计算