January 2019 1 18 Report
1przez jaką liczbę należy pomnożyć :
a )  \frac{3}{7}
b) \frac{7}{3}
c)1 \frac{5}{12}
d)2 \frac{1}{2}
aby otrzymać 1?
2oblicz
a)  \frac{2}{3} x \frac{3}{4} x \frac{4}{3} x \frac{3}{2}
b) \frac{7}{18} x \frac{9}{13} x \frac{18}{7} x \frac{13}{9}
c)1 \frac{1}{2} x5x \frac{2}{3} x \frac{1}{5}
te x to razy
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