Question

设六位数abcdef满足bcdef=f X abcde,请写出这样的六位数

Answer 1

BCDEF / F = ABCDE(BCDE*10 + F)/F = ABCDEBCDE*10/F + 1 = ABCDE显然BCDE*10能被F整除.令BCDE0 = X*F,则有：X*F + F = F * (10000*A + X*F/10)X + 1 = 10000A + X*F/1010X + 10 = 100000A + XF(10 - F)X = 100000A ...