-10 = (4 - (2 + (5 + 7)))
-10 = (4 - (2 + (7 + 5)))
-10 = (4 - (5 + (2 + 7)))
-10 = (4 - (5 + (7 + 2)))
-10 = (4 - ((2 + 5) + 7))
-10 = (4 - ((5 + 2) + 7))
-10 = (4 - (7 + (2 + 5)))
-10 = (4 - (7 + (5 + 2)))
-10 = (4 - ((2 + 7) + 5))
-10 = (4 - ((7 + 2) + 5))
-10 = (4 - ((5 + 7) + 2))
-10 = (4 - ((7 + 5) + 2))
-10 = ((4 - 2) - (5 + 7))
-10 = ((4 - 2) - (7 + 5))
-10.0 = ((4 / 2) - (5 + 7))
-10.0 = ((4 / 2) - (7 + 5))
-10 = (5 - ((2 * 4) + 7))
-10 = (5 - ((4 * 2) + 7))
-10 = (5 - (7 + (2 * 4)))
-10 = (5 - (7 + (4 * 2)))
-10.0 = (5 / ((7 / 2) - 4))
-10 = ((4 - 5) - (2 + 7))
-10 = ((4 - 5) - (7 + 2))
-10 = ((4 - (2 + 5)) - 7)
-10 = ((4 - (5 + 2)) - 7)
-10 = (((4 - 2) - 5) - 7)
-10.0 = (((4 / 2) - 5) - 7)
-10 = ((5 - (2 * 4)) - 7)
-10 = ((5 - (4 * 2)) - 7)
-10 = (((4 - 5) - 2) - 7)
-10 = ((4 - 7) - (2 + 5))
-10 = ((4 - 7) - (5 + 2))
-10 = ((4 - (2 + 7)) - 5)
-10 = ((4 - (7 + 2)) - 5)
-10 = (((4 - 2) - 7) - 5)
-10.0 = (((4 / 2) - 7) - 5)
-10 = (((4 - 7) - 2) - 5)
-10 = ((5 - 7) - (2 * 4))
-10 = ((5 - 7) - (4 * 2))
-10 = ((4 - (5 + 7)) - 2)
-10 = ((4 * (5 - 7)) - 2)
-10 = ((4 - (7 + 5)) - 2)
-10 = (((4 - 5) - 7) - 2)
-10 = (((4 - 7) - 5) - 2)
-10 = (((5 - 7) * 4) - 2)