Odpowiedzi

2009-10-25T18:54:43+01:00
-[-(-9 1/3):1,4-1,4*5 20/21]+5 5/6*(-3 5/7) =
-[-(-28/3):7/5 - 7/5 * 125/21]+ 35/6*(- 26/7) =
-[-(-28/3)*5/7 - 1/1 * 25/3]+ 5/3*(- 13/1) =
-[-(-20/3 - 25/3]- 65/3 =
-[-(-45/3 )]- 65/3 =
-[-(-15)]- 65/3 =
-15- 65/3 =
-15-21 2/3 = - 36 2/3