dãy số

H

huynhbachkhoa23

Bài này trâu à nha =))

$1\to A; 1 \to B; 2\to C; 3\to D$

$D=D+1: A=C-\dfrac{2}{3}B+\dfrac{1}{2}A: D=D+1: B=A-\dfrac{2}{3}C+\dfrac{1}{2}B: D=D+1: C=B-\dfrac{3}{2}A+\dfrac{1}{2}C$

Lặp "="
 
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