Выполните вычитание. Используйте в качестве образца пример 4 : 9 2/7 - 3 5/7 = 6 2/7 - 5/7 = 5 + 9/7 - 5/7 = 5 4/7. А). 5 2/6 - 5/6 ;
Б). 2 1/3 - 2/3 ;
В). 4 5/9 - 8/9 ;
Г). 3 1/12 - 1 5/12 ;
Д). 6 3/7 - 5 5/7 ;
Е). 4 1/8 - 3 5/8 ;​
Срочно!! ​
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