a)
[tex] \frac{4}{5} \div 2 = \frac{4}{5} \times \frac{1}{2} = \frac{4}{10} = \frac{2}{5} [/tex]
b)
[tex] \frac{2}{7} \div 3 = \frac{2}{7} \times \frac{1}{3} = \frac{2}{21} [/tex]
c)
[tex] \frac{4}{7} \div 2 = \frac{4}{7} \times \frac{1}{2} = \frac{4}{14} = \frac{2}{7} [/tex]
d)
[tex] \frac{5}{9} \div 3 = \frac{5}{9} \times \frac{1}{3} = \frac{5}{27} [/tex]
e)
[tex]1 \frac{1}{2} \div3 = \frac{3}{2} \times \frac{1}{3} = \frac{1}{2} \times 1 = \frac{1}{2} [/tex]
f)
[tex]2 \frac{1}{4} \div 6 = \frac{9}{4} \times \frac{1}{6} = \frac{3}{4} \times \frac{1}{2} = \frac{3}{8} [/tex]
g)
[tex]4 \frac{1}{5} \div 7 = \frac{21}{5} \times \frac{1}{7} = \frac{3}{5} \times 1 = \frac{3}{5} [/tex]
h)
[tex]2 \frac{4}{7} \div 9 = \frac{18}{7} \times \frac{1}{9} = \frac{2}{7} \times 1 = \frac{2}{7} [/tex]
i)
[tex]20 \frac{2}{3} \div 31= \frac{62}{3} \times \frac{1}{31} = \frac{2}{3} \times 1 = \frac{2}{3} [/tex]
j)
[tex]10 \frac{1}{5} \div 9 = \frac{51}{5} \times \frac{1}{9} = \frac{51}{45} = 1 \frac{6}{45} [/tex]
k)
[tex]10 \frac{2}{11} \div 21 = \frac{112}{11} \times \frac{1}{21} = \frac{112}{232} [/tex]
l)
[tex]1 \frac{1}{99} \div 15 = \frac{100}{99} \times \frac{1}{15} = \frac{100}{1485} = \frac{20}{297} [/tex]
Myślę że pomogłem ;)
