Ответ:
а)1-8/15=15/15-8/15=7/15
б)3-2/11=33/11-2/11=31/11= 2 9/11
в)4-3 4/9=4-31/9=36/9-31/9=5/9
г)7 3/8-5=2 3/8
д)45-44 3/8=44 8/8-44 3/8=5/8
е)6 7/15- 3 1/5=97/15-16/5=97/15-48/15=49/15=3 4/15
ж)10 3/23 -7 19/46=233/23-341/46=125/46=2 33/46
з)16 2/5-4 3/7=82/5-31/7=574/35-155/35=419/35=11 34/35
и)19 5/12-8 17/18=233/12-161/18=377/36=10 17/36
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Ответ:
а)1-8/15=15/15-8/15=7/15
б)3-2/11=33/11-2/11=31/11= 2 9/11
в)4-3 4/9=4-31/9=36/9-31/9=5/9
г)7 3/8-5=2 3/8
д)45-44 3/8=44 8/8-44 3/8=5/8
е)6 7/15- 3 1/5=97/15-16/5=97/15-48/15=49/15=3 4/15
ж)10 3/23 -7 19/46=233/23-341/46=125/46=2 33/46
з)16 2/5-4 3/7=82/5-31/7=574/35-155/35=419/35=11 34/35
и)19 5/12-8 17/18=233/12-161/18=377/36=10 17/36