Răspuns:
10×{324:324+2×[(2²×¹⁵×3¹⁵):(2²⁹×3¹⁵)+1]}=
10×[1+2×(2³⁰×3¹⁵):(2²⁹×3¹⁵)+1]=
10×[(1+2×2×1)+1]=
10×(1+4)+1=
10×5+1=
50+1=51