Ответ:
1)2 7/9-1/3=7-3/9=2 4/9
2)3 4/5-2/3=12-10/15=3 2/15
4)6 4/5-2 3/8=32-15/40=4 17/40
5)9 1/2-4 3/8=4-3/8=5 1/8
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Ответ:
1)2 7/9-1/3=7-3/9=2 4/9
2)3 4/5-2/3=12-10/15=3 2/15
4)6 4/5-2 3/8=32-15/40=4 17/40
5)9 1/2-4 3/8=4-3/8=5 1/8