👤

calculati dand factor comn a)2001×1999-1999×2000 b)47×52+47²+47 c) (-1)la puterea n ×2 la puterea k+(-1) la puterea n + ¹ ×2 la puterea k +¹ +(-1) la puterea n +² ×2 la puterea k -¹ va rogggg am nevoie urgent

Răspuns :


poti face la a)(2001+2000)x1999=4001x1999=7997999