Odpowiedź:
[tex]10) \: \: \: \frac{1}{12} \times 2 = \frac{1}{6} [/tex]
odp a
[tex]14) \: \: \: (2 \frac{1}{3} {)}^{2} = ( \frac{7}{3} {)}^{2} = \frac{49}{9} = 5 \frac{4}{9} [/tex]
odp.d
[tex]15) \: \: \: (7 \frac{1}{6} + 1 \frac{1}{3} ) \div 2 = ( \frac{43}{6} + \frac{4}{3} ) \div 2 = \frac{51}{6} \times \frac{1}{2} = \frac{51}{1 2} = 4 \frac{3}{12} = 4 \frac{1}{4} [/tex]
odp.c
