Ответы и объяснения

2011-03-22T10:51:34+03:00

200-500/(х+36)=192

500/(х+36)=200-192

500/(х+36)=8

х+36=500/8

х+36=62,5

х=62,5-36

х=26,5

 

 

 

2011-03-22T11:27:24+03:00

200-500/(х+36)=192

500/(х+36)=200-192

500/(х+36)=8

х+36=500/8

х+36=62,5

х=62,5-36

х=26,5