(The minuend can be less than or equal to the sum and difference of the minuend)
2. If you subtract a negative number, the difference must be greater than the minuend (pair).
(Subtracting a negative number is equivalent to adding a positive number)
3. If you subtract a positive number, the difference is not necessarily less than the minuend (error).
(Must be less than)
Hehe, come on! If you don't understand anything, ask again and answer honestly!