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Rozwiązane

POMOCY!!!!!!!
[tex] \frac{4}{7} + \frac{1}{3} [/tex]
[tex]3 \frac{1}{8} - \frac{3}{4} [/tex]
[tex]1 \frac{5}{12} - \frac{1}{12} [/tex]
[tex] \frac{1}{3} \times \frac{4}{7} [/tex]
[tex]1 \frac{5}{6} \times \frac{5}{7} [/tex]
[tex] \frac{1}{3} \div \frac{4}{7} [/tex]
[tex] \frac{5}{7} \div 3 \frac{1}{8} [/tex]
[tex]3 - 1 \frac{1}{4} [/tex]
​



Odpowiedź :

Odpowiedź:

4/7 + 1/3 = 12/21 + 7/21 = 19/21

3 1/8 - 3/4 = 25/8 - 6/8 = 19/8 = 2 3/8

11 5/12 - 1/12 = 11 4/12 = 11 1/3

1/3 * 4/7 = 4/21

1 5/6 * 5/7  = 11/6 * 5/7 = 55/42 = 1 13/42

1/3 : 4/7 = 1/3 * 7/4 = 7/12

5/7 : 3 1/8 = 5/7 : 25/8 = 5/7 * 8/25 = 1/7 * 8/5 = 8/35

3 - 1 1/4 = 1 3/4