Move the number of Match Sticks as given in each puzzle to make the equation correct.
The Rules:
(1) You can only use Multiplication, Division, Addition, Subtraction.
(2) You cannot alter the = sign. i.e. cannot use the Not-equal sign, the greater than sign, or the less than sign.
1+6=2 -> 8-6=2
1+6=8 -> 1+8=9
9-1=4 -> 3+1=4
7+7=4 -> ??
7+8=2 -> ??
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