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1、3。4 积的变化规律1、计算 .62= 8125=620= 24125=6200= 72125=2、计算。804= 25160=404= 2540=204= 2510=3、找规律,再填空。1617=272 1668=1634= 1685=1651= 16102=4。 计算 .1824=(182) (24 2)=(182) ( 242)=10545 =4725(1055)( 455)=(1053)( 453)=答案: 1、计算。12 1000120 30001200 90002、计算。320 40000160 100080 250 3、找规律,再填空。272 1088544 1360816 16
2、324。 计算。432432432472547254725尊敬的读者:本文由我和我的同事在百忙中收集整编出来,本文档在发布之前我们对内容进行仔细校对,但是难免会有不尽如人意之处,如有疏漏之处请指正,希望本文能为您解开疑惑 , 引发思考。文中部分文字受到网友的关怀和支持,在此表示感谢!在往后的日子希望与大家共同进步,成长。This article is collected and compiled by my colleagues and I in our busy schedule. We proofread the content carefully before the release o
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