Question

3+4+5=12 20 80
4+6+7=24 42 21
6+7+8=42 56 70
9+5+6=? Ans ...................................

Answer 1

45 30 last one can't say
the procedure is
1) 3*4 4*5
2) 4*6 6*7
3)6*7 7*8
4)9*5 5*6