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0
2022-07-15 22:13:31
ta có :
A = 73x73 = (72+1)x73
= 72x73+73
B = 72x74 = 72x(73+1)
= 72x73+72
vì 72x73+73 > 72x73+72
nên A>B
2022-04-01 21:52:27
2022-04-01 21:48:57
2022-03-11 19:29:27
2022-03-11 19:29:21
2022-03-11 19:29:08