Odpowiedzi

2010-02-04T17:50:04+01:00
8(-1/64) - 4(1/16) + 2
-8/64 - 4/16 + 2
-1/8 - 2/8 + 2
-3/8 + 2 = 1 5/8
2010-02-04T17:51:19+01:00
A=-¼

8a³-4a²+2 = 8×(-¼)²-4×(-¼)²+2=
8×(-¹/₆₄)-4×(¹/₁₆)+2=
-⅛ - ¼ + 2= 1⅝