pls solve the question and give explanation on a page and send a photo pls answer it's urgent
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- 2/7 is the answer ( closure under addition)
3. 0 is the answer ( additive identity )
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Answer:
1.
2/7+5/7=2+5/7=7/7=>1
5/7-7/7=>2/7
2.
3×1/5=>16/5
3×1/5=16/5
so
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