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Ma puteti ajuta va rog cu acest exercitiu ? (3/2×4/3×5/4×..×51/50):(1/2×2/3×3/4×..×49/50)=

Răspuns :

101/20:12103/1250=101/20*1250/12103=12625/2406
101/20:12103/1250=101/20*1250/12103=12625/2406