x？ =? [M:4 * M]；
Answer? =? mod(x，4)= = 2； ? %? Four for one. Are there two left?
b？ =? mod(x，7)= = 3； ? %? Seven for one point. Are there three left?
c？ =? mod(x，9)= = 5； ? %? Is there a five in nine one?
y？ =? x(a & amp； b & ampc)？ %? M satisfying the above three conditions at the same time is the calculation result of M=5 17:
y？ =
626? 878 1 130 1382 1634 1886