Răspuns :
99x{52:2+[(585:5-100)+63:3:7]}:2=
99x{26+[(117-100)+63:3:7]}:2=
99x[26+(17+21:7)]:2=
99x[26+(17+3)]:2=
99x(26+20):2=
99x46:2=
4554:2=2277
99x{26+[(117-100)+63:3:7]}:2=
99x[26+(17+21:7)]:2=
99x[26+(17+3)]:2=
99x(26+20):2=
99x46:2=
4554:2=2277
99× {52:2+[(585:5-100)+21:7]}:2
99×{26+[(117-100)+3 ]}:2
99×(26+17+3):2
99×46:2
4,554:2
2,277