pls ajutatima cine răspunde primul dau corona

Explicație pas cu pas:
142=1×100+4×10+2×1=2×50+8×5+2×1
224=2×100+2×10+4×1=4×50+4×5+2×2
346=3×100+4×10+6×1=6×50+8×5+2×3
842=8×100+4×10+2×1=16×50+8×5+1×2