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单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,练一练,2.,读出下面各数。,四十四万,一百万,七十二万,六百七十万,2.,读出下面各数。,3.,看计数器写数。,851000,260400,60800070,4.,写出下面各数。,3602000,540370,68920,46410000,100005,10500030,42000000,40075700,125000,5.,写出下面各数。,1700000,491300,6.,写出下面各数。,(,1,)四百万、八十万、五万和三千。,(,2,)六千万、九万和五百。,(,3,)八千万和四十。,4853000,60090500,80000040,7.,写出由下面各数组成的数。,8.,写出下面各数。,299800,97908300,20000,9.,连线。,13090034,96000000,860100,13909000,10.,用,0,,,0,,,0,,,1,,,2,,,3,,,4,这七个数字按要求组成七位数。,1023040,1023400,1234000,1020304,
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