Ответ:
3) 18/85+6 5/63-7/11
1)18/85+6 5/63=6 1559/5355
2)6 1559/5355-7/11=5 38569/58905
6)10 1/12 + 2 5/36-2 7/72
1)10 1/12+2 5/36=12 2/9
2)12 2/9-2 7/72=10 1/8
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Ответ:
3) 18/85+6 5/63-7/11
1)18/85+6 5/63=6 1559/5355
2)6 1559/5355-7/11=5 38569/58905
6)10 1/12 + 2 5/36-2 7/72
1)10 1/12+2 5/36=12 2/9
2)12 2/9-2 7/72=10 1/8