prosze pomozcie mam to miec zrobione na 8:15. zad 1​

Prosze Pomozcie Mam To Miec Zrobione Na 815 Zad 1 class=

Odpowiedź :

a)

[tex] \frac{1}{2} + \frac{1}{2} \times \frac{1}{2} = \frac{1}{2} + \frac{1}{4} = \frac{2}{4} + \frac{1}{4} = \frac{3}{4} [/tex]

b)

[tex] \frac{1}{3} - \frac{1}{3} + \frac{1}{3} = \frac{1}{3} [/tex]

c)

[tex]( \frac{1}{4} + \frac{1}{4} ) \div \frac{1}{4} = \frac{2}{4} \div \frac{1}{4} = \frac{2}{4} \times \frac{4}{1} = \frac{2}{1} \times \frac{1}{1} = 2[/tex]

d)

[tex] \frac{1}{5} \div \frac{1}{5} - \frac{1}{5} = \frac{1}{5} \times \frac{5}{1} - \frac{1}{5} = 1 - \frac{1}{5} = \frac{4}{5} [/tex]

e)

[tex] \frac{1}{6} - \frac{1}{6} \times \frac{1}{6} = \frac{1}{6} - \frac{1}{36} = \frac{6}{36} - \frac{1}{36} = \frac{5}{36} [/tex]

f)

[tex] \frac{1}{7} \times ( \frac{1}{7} + \frac{1}{7} ) = \frac{1}{7} \times \frac{2}{7} = \frac{2}{49} [/tex]

Odpowiedź:

1/2 + 1/2 * 1/2 = 1/2 + 1/4 = 2/4 + 1/4 = 3/4

1/3 - 1/3 + 1/3 = 0 + 1/3 = 1/3

(1/4 + 1/4) : 1/4 = 2/4 : 1/4 = 2/4 * 4/1 = 2

1/5 : 1/5 - 1/5 = 1/5 * 5/1 - 1/5 = 1 - 1/5 = 5/5 - 1/5 = 4/5

1/6 - 1/6 * 1/6 = 1/6 - 1/36 = 6/36 - 1/36 = 5/36

1/7 * (1/7 + 1/7) = 1/7 * 2/7 = 2/49  

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