算式|四年级奥数题及答案
在下面的算式中，不同的字母代表不同的数字，相同的字母代表相同的数字，求
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答案：这道题可以从个位开始，比较等式两边的数，逐个确定各个
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（100000+x）×3=10x+1
300000+3x=10x+1
7x=299999
x=42857
