Question

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2. State the property used in each of the fo.
(i) 19x21 = 21 x 19
(ii) (42*32 )* 12 = 42 (32 * 12)
(iii) 45 (95 + 5) = 45 x 95 + 45 x 5
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Answer 1

Answer:

1. commutative property: a+b= b+a

2. associative property: (a+b)+c= a+(b+c)

3. distributive property