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(i) 8−0=........ and 0−8 =...... 8−0≠0−8, this shows subtraction of whole numbers is not ____
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Solution
8–0=8
and 0–8=−8 ⇒8−0≠0−8 (∵8≠−8)
This shows that subtraction of whole numbers is not commutative.
Hence, the required answers are 8, -8 and commutative respectively.