Dodawanie i mnożenie ułamków

Mnożenie i dodawanie ułamków

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​Matematyka

Multiple Choice

$$4\ \frac{2}{3}\div1\ \frac{3}{21}=$$

• $$3\ \frac{2}{13}$$ :)

• $$4\ \frac{2}{12}$$ :)

• $$3\ \frac{1}{12}$$ :)

• $$4\ \frac{1}{12}$$ :)

Multiple Choice

$$1\ \frac{3}{4}\times3\ \frac{3}{4}=$$

• $$5\ \frac{9}{15}$$

• $$6\ \frac{9}{16}$$

• $$5\ \frac{9}{16}$$

• $$6\ \frac{9}{15}$$