Ответ:
а) 4q/4x = q/x
б) 1
в)2f/2c= f/c
г) (х-5)(x+5)/x-5= x+5
Д) (7-m)(7+m)/ 7-m= 7+m
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Ответ:
а) 4q/4x = q/x
б) 1
в)2f/2c= f/c
г) (х-5)(x+5)/x-5= x+5
Д) (7-m)(7+m)/ 7-m= 7+m