1269,999,900,330,()A 190 B 270 C 299 D 1900求规律

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1269,999,900,330,()A190B270C299D1900求规律1269,999,900,330,()A190B270C299D1900求规律1269,999,900,330,()A19

1269,999,900,330,()A 190 B 270 C 299 D 1900求规律
1269,999,900,330,()
A 190 B 270 C 299 D 1900
求规律

1269,999,900,330,()A 190 B 270 C 299 D 1900求规律
1269=999+900*3/10
999=900+330*3/10
900=330+1900*3/10