Răspuns:
3 × 10² + 4 × 10¹ + 5 × 1 =
3 × 100 + 40 + 5 = 345
7 × 10² + 1 × 10¹ + 6 × 1 =
7 × 100 + 10 + 6 = 716
4 × 10⁴ + 3 × 10³ + 0 × 10² + 1 × 10¹ + 7 × 1 =
4 × 10 000 + 3 × 1 000 + 0 + 10 + 7 =
40 000 + 3 000 + 10 + 7 =
43 017
a × 10⁵ + 0 × 10⁴ + 0 × 10³ + 0 × 10² + a × 10¹ + a × 1 =
a × 100 000 + 0 + 0 + 0 + a × 10 + a =
a00 0aa
