Puzzle 17
Can you make this equation correct by moving exactly one matchstick?

Note: this puzzle is not interactive, and the matchsticks cannot be moved. The matchstick layouts for each digit are:
Puzzle 18
Which of the shapes are identical to the first one?
Puzzle Copyright © Robert A. Hartmann
Puzzle 19
What number comes next in this sequence:
16 · 21 · 26 · 26 · 12 · 5 · ?
Puzzle 20
During the recent BrainBashers cipher convention, a Morse code contest took place.
The contest consisted of a Morse code transmission where the spaces between the letters and words were missing.
Can you find the ten colours?
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Luckily, BrainBashers has provided you with a list of the Morse code characters:
A ![]()
B ![]()
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C ![]()
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D ![]()
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E
F ![]()
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G ![]()
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H ![]()
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I ![]()
J ![]()
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K ![]()
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L ![]()
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M ![]()
N ![]()
O ![]()
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P ![]()
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Q ![]()
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R ![]()
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S ![]()
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T
U ![]()
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V ![]()
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W ![]()
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X ![]()
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Y ![]()
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Z ![]()
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