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五年级转化思维之小数的简便运算。解题秘诀～尽量把小数化成整数
五年级数学思维训练。今天第一讲～转化思维之简便运算。试一试，用三种方法简算4.44×0.44你能想出几种方法？快来学习吧！！@用户4835418861726 @网名谁又懂谁
五年级数学题43/52
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