1.25*5.6+2.25*4.4用脱失计算 怎样才能用到5.6+4.4进行脱算

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1.25*5.6+2.25*4.4用脱失计算 怎样才能用到5.6+4.4进行脱算

1.25*5.6+2.25*4.4用脱失计算 怎样才能用到5.6+4.4进行脱算
1.25*5.6+2.25*4.4用脱失计算 怎样才能用到5.6+4.4进行脱算

1.25*5.6+2.25*4.4用脱失计算 怎样才能用到5.6+4.4进行脱算
1.25*5.6+2.25*4.4
=1.25*5.6+（1+1.25）*4.4
=1.25*5.6+1.25*4.4+4.4
=1.25*（5.6+4.4）+4.4
=1.25*10+4.4
=12.5+4.4
=16.9

1.25×5.6+2.25×4.4 1.25*5.6+2.25*4.4用脱失计算 怎样才能用到5.6+4.4进行脱算 1.25*5.6+2.25*3.6的简便运算的步骤 1.25*5.6+2.25*3.6的简便运算的步骤 简算：5.6-1.25+4.4-3又4分之3 7.8×5.6+2.3×4.4 5.6÷1.25巧算 -3.75+2.6+(-1.25)+(-5.6) 3.8*5.6+4.4*3.8简算 用简便方法计算：1.71*5.6*5.6+3.42*5.6*4.4+4.4*4.4*1.71 5.6×1.25的简便算法 4.4+4.4*12+13*5.6怎么简便计算 4.4+4.4*12+13*5.6怎 么简便计算? 4.4+4.4*12+13*5.6有什么简便方法 简便计算下列题目4.4+4.4×12+13×5.6 4.4+4.4×12＋13×5.6等于多少啊 4.4+4.4乘12+13乘5.6的简算快! 2.25*1.8+1.25*0.8简便计算