Ch
DIFFERENT SIGN (Sum of a negative and a positive number): Think Subtraction then use the sign of the # with the larger absolute value (-7) + 4 = -3 (-3) + 7 = 4 6 + (-9) = -3 5 + (-3) = 2. 2. Subtracting Rules: REMEMBER: KEEP, CHANGE, CHANGE. Keep first number the same, Change operation to addition, ... ................
................
To fulfill the demand for quickly locating and searching documents.
It is intelligent file search solution for home and business.