3mn, -5mn, 8mn, -4mn
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Answer:(1) 3mn, -5mn, 8mn,-4mn
=(3mn) + (- 5mn) + (8mn) + (-4mn)
=3mn - 5mn + 8mn - 4mn
=3mn +8mn 5mn-4m n
=11mn - 9mn
=2 mn
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Answer:
3mn,-5mn,8mn,-4mn . So, the answer for this question is 2mn
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