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dinhngocthaouyen
2 năm trước
So sánh : a) A = 13^45 +1 / 13^44 +1 và B = 13^44 +1 / 13^43 +1 b) P = 21^15 +1 / 21^14 +1 và Q = 21^14 +1 / 21^13 +1 c) C = 10^20 +1 / 10^19 +1 và D = 10^19 +1 / 10 . ( 10^18 +1)
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