true
true
true
6
Addition et soustraction de fractions
15
$$\dfrac{4}{7}-\dfrac{2}{7}=...\ ?$$
2/7
frac
$$\dfrac{10}{3}+\dfrac{7}{3}=...\ ?$$
17/3
frac
$$\dfrac{10}{27}-\dfrac{2}{9}=...\ ?$$
4/27
frac
$$\dfrac{1}{72}+\dfrac{2}{9}=...\ ?$$
17/72
frac
$$\dfrac{9}{8}+\dfrac{1}{4}=...\ ?$$
11/8
frac
$$\dfrac{8}{5}-\dfrac{2}{25}=...\ ?$$
38/25
frac
$$\dfrac{9}{10}+\dfrac{3}{40}=...\ ?$$
39/40
frac
$$\dfrac{9}{5}+\dfrac{3}{5}=...\ ?$$
12/5
frac
$$\dfrac{3}{4}+\dfrac{1}{9}=...\ ?$$
31/36
frac
$$\dfrac{6}{5}-\dfrac{4}{7}=...\ ?$$
22/35
frac