Ответ:
Пошаговое объяснение:
1)=8/9-3/9=5/9
2)=15/28-6/28=9/28
3)=27/48-22/48=5/48
4)=3 13/25
5)=25/30+18/30=43/20=2 3/20
6)=77/110-30/110=47/110
2)
1)=1-4/20=16/20=4/5
2)=2-(24/27+5/27)=2-1 2/27=25/27
3)=49/72-60/72-32/72+30/72=-13/72
3)
1)=9 20/48+7 27/48=16 47/48
2)=1-4/25=21/25
3)=3 5/18+4 4/18=7 9/18=7 1/2
4)=6 21/45-4 20/45=2 1/45
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Ответ:
Пошаговое объяснение:
1)=8/9-3/9=5/9
2)=15/28-6/28=9/28
3)=27/48-22/48=5/48
4)=3 13/25
5)=25/30+18/30=43/20=2 3/20
6)=77/110-30/110=47/110
2)
1)=1-4/20=16/20=4/5
2)=2-(24/27+5/27)=2-1 2/27=25/27
3)=49/72-60/72-32/72+30/72=-13/72
3)
1)=9 20/48+7 27/48=16 47/48
2)=1-4/25=21/25
3)=3 5/18+4 4/18=7 9/18=7 1/2
4)=6 21/45-4 20/45=2 1/45