Question

if 2+3+5=85,4+5+1=69and 3+6+7=139 then what about 6+5+4=?​

Answer 1

Answer:

6+5+4=911...

Step-by-step explanation:

because the sum of last 2 digit is 9,

and the sum of first to digit is 11.

Answer 2

Answer:

6 + 5 + 4 = 911

Step-by-step explanation:

In 2+3+5=85

3 + 5 = 8, 2 + 3 = 5, 8 and 5 = 85

In 4+5+1=69

5 + 1 = 6, 4 + 5 = 9, 6 and 9 = 69

In 3+6+7=139

7 + 6 = 13, 6 + 3 = 9, 13 and 9 = 139

So, ln 6+5+4=?

5 + 4 = 9, 6 + 5 = 11, 9 and 11 = 911

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