1) 3 7/15-2 4/15=1 3/15;
2) 1 3/15+1 14/15=2 17/15 =3 2/15
Ответ : 3 2/15
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Answers & Comments
1) 3 7/15-2 4/15=1 3/15;
2) 1 3/15+1 14/15=2 17/15 =3 2/15
Ответ : 3 2/15