Không thực hiện phép tính, hãy so sánh M và N biết :
M=2001 x 2007 + 1001
N=2001 x 2008 -1000
Bùi LongPundit
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Ta có:
N = 2001 × 2008 – 1000
= 2001 × (2007 + 1) – 1000
= 2001 × 2007 + 2001 – 1000
= 2001 × 2007 + 1000
= M
Vậy M = N
Chúc học tốt!!!