If you accept both positive and negative whole numbers, then an infinite number of pairs have.
If you only accept positive whole numbers, then twenty pairs have.
There are 41 pairs of whole numbers that sum to 40. These pairs range from (0, 40) to (40, 0). Each whole number from 0 to 40 corresponds to a valid pair with another whole number.
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Penjelasan:hewan mamalia dan karnivora