Автор - 22879008kba

а) 4 1/12 + 1 1/6 б) 2 3/5 + 3 1/3 в) 5 14/25 + 2 7/15 г) 7 3/10 - 2 4/15 д) 4 5/8 - 2 1/3 ё) 5 3/4 - 2 4/5 ​

Ответ

Автор - aiwawaripov

Ответ:

1)4 frac{1}{12}  + 1 frac{1}{6}  =  frac{49}{12}  +  frac{7}{6}  =  frac{49  + 14}{12}  =  frac{63}{12}  = 5.25

2)2 frac{3}{5}  + 3 frac{1}{3}  =  frac{13}{5} +  frac{7}{3}   =  frac{39}{15}  +  frac{35}{15}  =  frac{74}{15}  = 4.93

3)5 frac{14}{25}  + 2 frac{7}{15}  =  frac{139}{25}  +  frac{37}{15}  =  frac{602}{75}  = 8.026

4)7 frac{3}{10}  - 2 frac{4}{15}  =  frac{73}{10}  -  frac{34}{15}  =  frac{219 - 68}{30}  =  frac{151}{30}  =  5.03

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