Quiz about dodawanie i odejmowanie ułamków zwykłych

Question 1

Oblicz. $$\frac{1}{2}+\frac{5}{8}\ =\ $$

Accepted Answer

$$\frac{9}{8}$$

Answer

$$\frac{4}{3}$$

Answer

$$1\ \frac{1}{3}$$

Answer

$$\frac{2}{6}$$

Question 2

Oblicz. $$\frac{18}{15}+\frac{4}{5\ }=$$

Accepted Answer

Answer

Answer

$$\frac{1}{5}$$

Answer

$$\frac{3}{5}$$

Question 3

Oblicz.
$$\frac{1}{2}+\frac{7}{8}=$$

Accepted Answer

$$\frac{11}{8}$$

Answer

$$\frac{15}{8}$$

Answer

$$\frac{8}{2}$$

Answer

$$\frac{10}{2}$$

Question 4

Oblicz. $$\frac{3}{4}+\frac{1}{2}=$$

Accepted Answer

$$\frac{5}{4}$$

Answer

$$\frac{3}{2}$$

Answer

$$\frac{1}{4}$$

Answer

$$\frac{7}{8}$$

Question 5

Oblicz. $$\frac{5}{6}-\frac{1}{3}=$$

Accepted Answer

$$\frac{1}{2}$$

Answer

$$\frac{4}{6}$$

Answer

$$\frac{2}{3}$$

Answer

$$\frac{1}{3}$$

Question 6

Oblicz. $$1\ \frac{1}{15\ }-\ \frac{4}{5}=\ $$

Accepted Answer

$$\frac{4}{15}$$

Answer

$$\frac{8}{15}$$

Question 7

Oblicz. $$\frac{7}{10}-\frac{1}{5}=$$

Accepted Answer

$$\frac{1}{2}$$

Answer

$$\frac{3}{10}$$

Answer

$$\frac{4}{10}$$

Question 8

Oblicz. $$\frac{5}{12}+\frac{1}{3}=$$

Accepted Answer

$$\frac{3}{4}$$

Answer

$$\frac{5}{4}$$

Answer

$$\frac{7}{12}$$

Question 9

Oblicz. $$\frac{2}{5}-\frac{1}{10}=$$

Accepted Answer

$$\frac{3}{10}$$

Answer

$$\frac{1}{2}$$

Answer

$$\frac{1}{5}$$

Question 10

Oblicz. $$\frac{3}{5}-\frac{1}{10}=$$

Accepted Answer

$$\frac{1}{2}$$

Answer

$$\frac{1}{5}$$

Answer

$$\frac{7}{10}$$

Question 11

Oblicz. $$\frac{9}{10}+\frac{1}{5}=$$

Accepted Answer

$$\frac{11}{10}$$

Answer

$$\frac{1}{2}$$

Answer

$$\frac{7}{10}$$

Question 12

Oblicz. $$\frac{8}{9}-\frac{2}{3}=$$

Accepted Answer

$$\frac{2}{9}$$

Answer

$$\frac{1}{9}$$

Answer

$$\frac{0}{9}$$

Question 13

Oblicz. $$\frac{2}{3}+\frac{1}{6}=$$

Accepted Answer

$$\frac{5}{6}$$

Answer

$$\frac{3}{6}$$

Answer

$$\frac{1}{2}$$

Question 14

Oblicz. $$\frac{4}{5}-\frac{1}{5}=$$

Accepted Answer

$$\frac{3}{5}$$

Answer

$$\frac{1}{5}$$

Answer

$$\frac{2}{5}$$

Question 15

Oblicz. $$\frac{3}{8}+\frac{1}{4}=$$

Accepted Answer

$$\frac{5}{8}$$

Answer

$$\frac{7}{8}$$

Answer

$$\frac{1}{2}$$

Question 16

Oblicz. $$\frac{4}{7}-\frac{2}{7}=$$

Accepted Answer

$$\frac{2}{7}$$

Answer

$$\frac{1}{7}$$

Answer

$$\frac{3}{7}$$

Question 17

Oblicz. $$\frac{5}{9}+\frac{1}{3}=$$

Accepted Answer

$$\frac{8}{9}$$

Answer

$$\frac{6}{9}$$

Answer

$$\frac{7}{9}$$

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