?, 15, 45, 225, 1575, 14175
60, 120, ?, 160, 32, 192
98, 122, 182, 278, 410, ?
16, 17, 35, 106, 425, ?
6848 + 9215 – 7295 - ? = 5945 – 3244
44, 42, 46, 38, 54, ?
122, 128, 140, 158, ?, 212
15.975 ×27.825 + (76.01)² + 12.98×18.426 = ?+ (79.09)²
64 32 32 48 96 ?
...72, 97, 147, ?, 322, 447
