9×0.45+0.29×4.2+0.029×13怎么样笛简便运算

9×0.45+0.29×4.2+0.029×13怎么样笛简便运算 2.9*0.45+0.29*4.2+0. 2.9*0.45+0.29*4.2+0.029*13 2.9×0.45＋0.29×4.2＋0.029×13 3.84×9.6+0.96×61.2.9×0.45＋0.29×4.2＋0.029×133.84×9.6+0.96×61.1 2.9*0.45+0.29*4.2+0.029*13怎样简算 2.9*0.45+0.29*4.2+0.029*13用简便计算 2.9×0.45+0.29×4.2+0.029×13的简便计算 2.9×0.45+0.29×4.2+0.029×13 简便计算 ,递等式 2.9×0.45+0.29×4.2+0.029×13简便运算 2.9×0.45+0.29×4.2+0.029×13的简便算法 2.9×0.45+0.29×4.2+0.029×13的简便方法 2.9*0.45+0.29*4.2+0.029*13怎样用简便方法 2.9×0.45+0.29×4.2+0.029×13的简便算法是 2.9×0.45+0.29×4.2+0.029×13怎么简便 2.9*0.45+0.29*4.2+0.029*133.84*9.6+0.96*61.6 13.6+13.6乘9怎样简算还有3.7乘9.93.12乘8+0.312乘202.9乘0.45+0.29乘4.2+0.029乘13简便方法计算 简算 (1) 2.9×0.45+0.29×4.2+0.029×13 (2) 3.84×9.6+简算(1) 2.9×0.45+0.29×4.2+0.029×13(2) 3.84×9.6+0.96×61.6 2.9*0.45+0.29*4.2+0.029*13 3.84*9.6+0.96*61.6简便运算2.9*0.45+0.29*4.2+0.029*13 3.84*9.6+0.96*61.6