四年级数学(下)乘 法 分 配 率1一 . 回顾(28×25)×4 = 28×(25×4)(a×b)×c = a×(b×c)56×24 = 2...
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Revised by Hanlin on 10 January 2021经济法背诵顺口溜经济法背诵顺口溜1、有限责任公司股东会人数少,需全...
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Evaluation Warning: The document was created with Spire.Doc for .NET.css hack 顺口溜1、学布局须思路,...
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Evaluation Warning: The document was created with Spire.Doc for .NET.乘法分配律【教学内容】P36例3、做...
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9×25×4旧知回放125×7×8363+295+237谁能快速口算出得数,并说说你运用了哪些运算律。=900=7000=895乘法分...
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