简便计算41.2*8.1+11*1.25+53.7*1.9急待解决.
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![简便计算41.2*8.1+11*1.25+53.7*1.9急待解决.](/uploads/image/z/27429-69-9.jpg?t=%E7%AE%80%E4%BE%BF%E8%AE%A1%E7%AE%9741.2%2A8.1%2B11%2A1.25%2B53.7%2A1.9%E6%80%A5%E5%BE%85%E8%A7%A3%E5%86%B3.)
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急待解决.
简便计算41.2*8.1+11*1.25+53.7*1.9急待解决.
41.2*8.1+11*1.25+53.7*1.9
=41.2*8.1+11*1.25+(41.2+12.5)*1.9
=41.2*8.1+41.2*1.9+11*1.25+12.5*1.9
=41.2*(8.1+1.9)+12.5*(11+1.9)
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)
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