Odpowiedzi

2009-11-26T19:50:04+01:00
√54 + 2√12 - √243
--------------------- =(√9*6+2√4*3-√81*3)/√3=(3√6+4√3-9√3)/√3=
√3

= (3√6-5√3)/√3=(3√18-5*3)/3=(9√2-15)/3=3√2-5
1 1 1
2009-11-26T19:49:50+01:00
√54 + 2√12 - √243 3√6 + 4√3 - 9√3
--------------------- = ----------------------- = 3√3+4√3-9√3 = -2√3
√3 .............................√3