2.9×0.45+0.29×4.2+0.029×13+怎样用简便方法计算?0.029×0.45+0.29×4.2+0.029×13 =0.029×45+0.029×42+0.029×13 =0.029×(45+42+13) =0.029×100 =2.9
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![2.9×0.45+0.29×4.2+0.029×13+怎样用简便方法计算?0.029×0.45+0.29×4.2+0.029×13 =0.029×45+0.029×42+0.029×13 =0.029×(45+42+13) =0.029×100 =2.9](/uploads/image/z/655862-14-2.jpg?t=2.9%C3%970.45%EF%BC%8B0.29%C3%974.2%EF%BC%8B0.029%C3%9713%2B%E6%80%8E%E6%A0%B7%E7%94%A8%E7%AE%80%E4%BE%BF%E6%96%B9%E6%B3%95%E8%AE%A1%E7%AE%97%3F0.029%C3%970.45%EF%BC%8B0.29%C3%974.2%EF%BC%8B0.029%C3%9713+%3D0.029%C3%9745%EF%BC%8B0.029%C3%9742%EF%BC%8B0.029%C3%9713+%3D0.029%C3%97%EF%BC%8845%EF%BC%8B42%EF%BC%8B13%EF%BC%89+%3D0.029%C3%97100+%3D2.9)
2.9×0.45+0.29×4.2+0.029×13+怎样用简便方法计算?0.029×0.45+0.29×4.2+0.029×13 =0.029×45+0.029×42+0.029×13 =0.029×(45+42+13) =0.029×100 =2.9
2.9×0.45+0.29×4.2+0.029×13+怎样用简便方法计算?
0.029×0.45+0.29×4.2+0.029×13 =0.029×45+0.029×42+0.029×13 =0.029×(45+42+13) =0.029×100 =2.9
2.9×0.45+0.29×4.2+0.029×13+怎样用简便方法计算?0.029×0.45+0.29×4.2+0.029×13 =0.029×45+0.029×42+0.029×13 =0.029×(45+42+13) =0.029×100 =2.9
倍数拆出来%D%A我的答案怎么样?
2.9*0.45+0.29*4.2+0.
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+怎样用简便方法计算?0.029×0.45+0.29×4.2+0.029×13 =0.029×45+0.029×42+0.029×13 =0.029×(45+42+13) =0.029×100 =2.9
2.9*0.45+0.29*4.2+0.029*13
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
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
2.9乘0.45+0.29乘4.2+0.029乘13,简便计算?