Ответ:
1.4+3 3/9=(4+3)+3/9=7 3/9
2.19 3/7-17=(19-17)+3/7=2 3/7
3.14 1/8+14=(14+14)+1/8=28 1/8
4.19 8/10-3=(19-3)+8/10=16 8/10
5.14 1/9+6 4/9=(14+6)+(1/9+4/9)=20 5/9
6.8 5/6-4 3/6=(8-4)+(5/6-3/6)=4 2/6
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Ответ:
1.4+3 3/9=(4+3)+3/9=7 3/9
2.19 3/7-17=(19-17)+3/7=2 3/7
3.14 1/8+14=(14+14)+1/8=28 1/8
4.19 8/10-3=(19-3)+8/10=16 8/10
5.14 1/9+6 4/9=(14+6)+(1/9+4/9)=20 5/9
6.8 5/6-4 3/6=(8-4)+(5/6-3/6)=4 2/6