x+(x-2)*10+(x-2-5)*100=x*100+(x-2)*10+x-7-695
解得-700=-702,此題無解
一個(gè)3位數(shù)的十位數(shù)比個(gè)位數(shù)小2,百位數(shù)比十位數(shù)小5,如果這個(gè)三位數(shù)倒過來寫,比原數(shù)大695求原數(shù)
一個(gè)3位數(shù)的十位數(shù)比個(gè)位數(shù)小2,百位數(shù)比十位數(shù)小5,如果這個(gè)三位數(shù)倒過來寫,比原數(shù)大695求原數(shù)
數(shù)學(xué)人氣:359 ℃時(shí)間:2020-05-15 16:10:08
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