80-(-50)
25-33
15-28
Ahmed's teacher's asked him to: "start with +2, then mmultiplyltiply by-1, then subtract 3,then divide by -1, then add -6". What s...
19-(-5)
-yi + xj
4 root ()( 5 )+ 3 root ()( 7 )) 2
13-(-8)
-2/3-5/4
1/-4 - 2/5