(1) 425 x 136 = 425 x (6 + 30 +100) (a) Commutativity under
multiplication.
(ii) 2 x 49 x 50 = 2 x 50 x 49 (b) Commutativity under addition.
(iii) 80 + 2005 + 20 = 80 + 20 + 2005 (c) Distributivity of multiplication
over addition
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Answer:
(1) b
(2) a
(3)c
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