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(1) 3mn,_5mn,8mn,_4mn(2)30ab+12b+14 (3)_5Y2 from y2 |
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Answer» Step-by-step explanation: 3mn,−5mn,8MN,−4mn=3mn+(−5mn)+8mn+(−4mn) =(3−5+8−4)mn=2mn. |
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