Answer question 21 with formula
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8 is the answer.................
Honeyrai:
Formula?
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1st Triangle
7-4+9=12
2nd Triangle
1-1+4=4
3rd Triangle
6-2+5=9
So, the answer is 9
7-4+9=12
2nd Triangle
1-1+4=4
3rd Triangle
6-2+5=9
So, the answer is 9
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