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6 10 13 12 26 7 25 8 19 9 F J M L Z G Y H S I F G H I J L M S Y Z
(14.073)² + (32.103)² + (43.9653)² + (52.983)² + ? = (102.45)² + (98.007)²
9 14 38 129 ? 2705 16260
...Find the missing character.
7, 6, 10, 27, 104, ?
7 12 33 ? 635 3804
...150 - 10× ( 7 - 2)/4× 8 = ?
...Find the missing number in the given number series.
1, 2, 3, 6, 11, 20, ?
12 17 44 147 ? 3065 18420
...80, ?, 240, 80, 20, 4