2.9*0.45+0.29*4.2+0.029*13用简便计算
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![2.9*0.45+0.29*4.2+0.029*13用简便计算](/uploads/image/z/209763-27-3.jpg?t=2.9%2A0.45%2B0.29%2A4.2%2B0.029%2A13%E7%94%A8%E7%AE%80%E4%BE%BF%E8%AE%A1%E7%AE%97)
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用简便计算
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
=2.9*0.45+2.9*0.42+2.9*0.13
=2.9*(0.45+0.42+0.13)
=2.9*1
=2.9
(2.9*0.45+0.29*4.2+0.029*13)*1000/100
=29*(45+42+13)/1000
=2900/1000=2.9
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?
2.9*0.45+0.29*4.2+0.029*13和3.84*9.6+0.96*61.6要用简便算法
2.9×0.45+0.29×4.2+0.029×13怎么简便?要递等式