va rog sa ma ajutati
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Răspuns:
6
a)6/10-2/10=4/10=2/5
8/10-3/10=5/10=1/2
9/10-3/10=6/10=3/5
10/10-3/10=7/10
b)5/9+2/9=7/9
7/9+2/9=9/9=1
3/9+2/9=5/9
6/9+2/9=8/9