(clcik here for rules)
Technique 1 :
(clcik here for rules)
Technique 1 :
 | Lone square An empty square that has all its neighbouring squares (either column or row) filled in can easily be solved. simply add together the corrsponding neighbouring values and then subtract the total from the clue. The remaining value is the answer for that square. The lone square in the example therefore has to be 2 as 9-(4+3)=2. |
(clcik here for rules)
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