20 Difficult Matchstick Puzzles Only People with High IQ Can Solve 

The bonus question is very cool, let's see who can solve it?
20 Difficult Matchstick Puzzles Only People with High IQ Can Solve, Give it a try before checking the solution. Comment if you found an alternate solution.
FIX 1+17=2 • 20 Difficult Matchstic...
FIX 4+1=57 • 20 Difficult Matchstic...
FIX 2+19=17 • 20 Difficult Matchstic...
FIX 71+17=20 • 20 Difficult Matchstic...
FIX 7+77=1 • 20 Difficult Matchstic...
FIX 87-1=0 • 20 Difficult Matchstic...
07+4=3 • Move only 1 stick to m...
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