Mathematics
Senior High

赤ボールペンで書いてある式の途中式教えてください

(4) 7/3₁2K²³² = 22/1k³ 第2ピー 2 {{h-Xm-1+1 {² →→ 2x&(n-15²x1² 2 (1^²-2^) = 2 × € (1²_n)² = { n²^(^²=-1)² 1/2²(パー1² ½ (n²_-2N²³+1²)
数b シグマ

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