-4 + 5 + (-7) = -6
7 + 5 + 4 + 5 + 3 + 4 + 6 + 5 + 4 + 5 + 6 + 4 + 7 = 65
-5+7--4+12 = 18
79
5 + 1 + 4 + 22 + 7 = 39
The problem of -5 plus 7 - (-4 plus -12) is equal to 18.
102
7 + 5 + 4 ÷ 2 + 7 = 21
It is: 7+6+5+4+3 = 25
-6 + 4 + (-5) = -7
It is 5*7*4 = 140
4 + 5 + 6 + 7 + 8 + 9 = 39
9 + 8 + 7 + 6 + 5 + 4 = 39