Răspunsuri

2014-11-02T22:40:48+02:00
A. 7·2^1997 - 6·2^1996 - 2·2^1998 = 2^1996 (14-6-8) = 0
B. 4·3^1995 - 3^1996 - 3^1995 = 3^1995 (4-3-1) = 0
C. 3^1996 - 3^1995 - 3^1994  - 5·3^1994 = 3^1994 (9-3-1-5) =0
D. 2^1996 + 2^1995 + 2^1994 - 7·2^1994 = 2^1994 (4+2+1-7) = 0 ⇒ A=B=C=D
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