Ответы и объяснения

2013-03-21T16:53:12+04:00

8 * (1/4)^2 + 14 * (1/4) = 8*1/16 + 14*1/4=

=8/16 + 14/4 =

= 1/2 + 7/2 =

=8/2 = 4.

 

 

 

 

 

 

 

2013-03-21T17:00:59+04:00