Mathematics for IGCSE & O level - Number (Section 1 - No. 49)
Which set of numbers are all integers?
-2, 0, 1.5, 4
-3, 0, 5, 9
1/2, 2, 3/4, 7
-1, 0.2, 3, 5
Explanation
Integers are whole numbers and their negatives. -3, 0, 5, and 9 are all integers.
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