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19-03-2020
Mathematics

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REVISION EX
oog
Use the commutative and associative laws to find
the sum of each of the following expressions.
(a) 74 + 39 + 56 (b) 87 +59 +63
(c) 59 +87 +31 (d) 98 +65 + 42

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19-03-2020

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