помогите пожалуйста!
4 3/5-2+1/10
3 5/14-1-6/7
2 8/15-(1 3/10+2/5)
4 11/30-2 9/20-1/10
4 3/5-2+1/10
3 5/14-1-6/7
2 8/15-(1 3/10+2/5)
4 11/30-2 9/20-1/10
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Answers & Comments
3 5/14-1-6/7=2 5/14-12/14=1 19/14-12/14=1 7/14=1 1/2
2 8/15-(1 3/10+2/5)=2 16/30-(1 9/30+12/30)=2 16/30-1 21/30=1 46/30-1 21/30=25/30=5/6
4 11/30-2 9/20-1/10=4 22/60-2 27/60-6/60=3 82/60-2 33/60=1 49/60