41.2X8.1+11X1.25+53.7X1.9

来源：学生作业帮助网编辑：作业帮时间：2024/11/26 00:53:53

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41.2X8.1+11X1.25+53.7X1.9
41.2X8.1+11X1.25+53.7X1.9

41.2X8.1+11X1.25+53.7X1.9
41.2X8.1+11X1.25+53.7X1.9
=41.2*(10-1.9)+1.1*12.5+53.7*1.9
=412-41.2*1.9+1.1*12.5+53.7*1.9
=412+1.9(53.7-41.2)+1.1*12.5
=412+1.9*12.5+1.1*12.5
=412+12.5*(1.9+1.1)
=412+12.5*3
=412+37.5
=449.5

原式=41.2（10-1.9）+（10+1）*1.25+53.7*1.9
=412-41.2*1.9+12.5+1.25+53.7*1.9
=412+1.9（53.7-41.2）+12.5+1.25
=412+（2-0.1）*12.5+12.5+1.25
=412+25-1.25+12.5+1.25
=412+25+12.5
=449.5

41.2X8.1+11X1.25+53.7X1.9 41.2x8.1+11x1.25+53.7x1.9 41.8x8.1+11x1.25+53.7x1.9=? 求41.2x8.1+11x1.25+53.7x1.9的简便运算怎么简便计算下面两题 41.2x8.1+11x1.25+53.7x1.9= 41.2x8.1+11x1.25+53.7x1.9怎样算简单用简便方法计算:41.2x8.1十11x1.25十53.7x1.9 奥数简便运算41.2X8.1+11X9.25+53.7X1.9 1.简便运算 41.2x8.1+11x9.25+53.7x1.9 53.5x1.9+61x1.25+41x8.1简算 41.2X8.1+1.1X12.5+53.7X1.9 41.2x8.1+11x9.25+537x0.19=? 0.25x1.25x0.4x8简便计算 11.2x8.1+5/4+53.7x1.9 简算问一道简便计算题41.2x8.1+11x9.25+537x0.1941.2X8.1+11x9.25+537x0.19 要全过程! 25%x8/13+5/13x1/4 59÷【1÷（1/10-9%）】列式计算,急线性问题在lingo中的表示minZ=5*x1+7*x2+5*x3+4*x4+6*x5+5*x6+5*x7+3*x8 限制条件25*x1+36*x2+32*x3+15*x4+31*x5+28*x6+22*x7+12*x8>=105.69;然后x1到x8必须是1或者0.这个怎么在lingo软件中正确表示出来数学建模的LINGO使用问题modelmin=x0+x11+x8+x9;x0+x1+x2+x3+x4+x5+x6+x7+x8+x9+x10+x11=11;x0+x1+x3+x4>=4;x1+x2+x4+x5>=4;x2+x3+x5+x6>=4;x3+x4+x6+x7>=3;x4+x5+x7+x8>=3;x5+x6+x8+x9>=4;x6+x7+x9+x10>=4;x7+x8+x10+x11>=2;x8+x9+x11+x0>=2;x9+x10+x0+x1>=1;