Verified Answer :

rainec
  1. Would be 144 + 9 - 16, which equals 137.
    17. 81 + 24 - 16 = 89.
    18. 8(12+9) = 168. 
    19. 48 + 18 - 16 = 50
    20. 144/ 36 + 4= 8
    21. 16 (18-12)= 96.
    22. 144 + 12 / 4= 39.
    23. 128 - 108 /4= 5
    24. 18-20= -2
    25. 81 - 32 / 12 +4 -9= 7
odoublet13

its none of them..its actually -9

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