plz help and i will give you brianliest
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Answer:
(i)
(4 + 7) + ( - 5)
= 4+(1) + 7 - 5
=5 + 2
(ii)
( + 2) + (2 - 5)
= (1) + 2 - 5 + 2
= 3 - 3 or 3( - )
Hope this helps!
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