Question

3 7 8 6 1 9 1 2 9
5 8 1 3 2 8 3 2 6
4 1 7 2 5 7 4 4 9
7 3 4 9 7 5 2 5 4
6 6 9 1 3 8 8 7 2
1 6 1 8 6 3 7 2 2
6 9 6 3 8 8 3 2 ?

Answer 1

Answer:

we should addition,multiply

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