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  • 英語翻譯

    英語翻譯
    in a two-digit number,the units digit is greater than the tens digit by 3 If tens digit and the units digit of the number are interchanged,the sum of the number obtained and the original number is 121.FIND THE TWO NUMBERS
    數(shù)學(xué)人氣:510 ℃時間:2020-02-02 22:37:29
    優(yōu)質(zhì)解答
    Suppose the tens digit is x,the units digit is x+3,the original number is x*10+(x+3),the obtained number is (x+3)*10+x;(x+3)*10+x+x*10+(x+3)=121,calculate x=4the original number is 47,the obtained num...
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