Odpowiedzi

2010-02-17T16:26:21+01:00
½ab-¾a²+3 ¾ ab-1,5a²+⅝a² = ⅝a²-1,5a²-¾a²+½ab+3 ¾ ab =
= 0,625a²-1,5a²-0,75a²+0,5ab+3,75ab=-1,625a²+4,25ab=
= -⅝a²+4¼ab = 4¼ab-⅝a²

1,2a - ⅔a² + 0,75 -1 3/8a-1/2+2/9a²= 1⅕a - ⅔a² + ¾ -1⅜a-½+²/₉ =
= 1⅕a-1⅜a- ⅔a² + ¾ +²/₉ =1⁸/₄₀a - 1¹⁵/₄₀ a - ⅔a² +²⁷/₃₆+⁸/₃₆ =
=-⁷/₄₀ a - ⅔a²+³⁵/₃₆
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