August 2022 1 20 Report

Сложите дроби, предварительно сократив их.

 

а) 6     +  2   

   15       25 ,   

 

б) 1    +   2

   45       36,

 

в) 10   +  60

   120     150,

 

г) 12   +  20

   360     480.

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