Răspuns :
Bună!☕
[tex]3 \times \frac{1}{2} = \frac{3}{1} \times \frac{1}{2} = \frac{3 \times 1}{1 \times 2} = \frac{3}{2} [/tex]
[tex]5 \times \frac{3}{8} = \frac{5}{1} \times \frac{3}{8} = \frac{5 \times 3}{1 \times 8} = \frac{15}{8} [/tex]
[tex] \frac{23}{18} \times 27 = \frac{23}{2} \times 3 = \frac{69}{2} [/tex]
[tex] \frac{31}{45} \times 30 = \frac{31}{3} \times 2 = \frac{62}{3} [/tex]
[tex]6 \times 3 \frac{1}{9} = 6 \times \frac{28}{9} = \frac{56}{ 3} [/tex]
[tex]9 \times 5 \frac{7}{18} = 9 \times \frac{97}{18} = \frac{97}{2} [/tex]
[tex] \frac{3}{8} \times \frac{9}{11} = \frac{27}{88} [/tex]
[tex] \frac{16}{21} \times \frac{25}{27} = \frac{400}{567} [/tex]
[tex] \frac{7}{8} \times 1 \frac{1}{7} = \frac{7}{8} \times \frac{8}{7} = 1[/tex]
[tex] \frac{33}{100} \times 3 \frac{1}{3} = \frac{33}{100} \times \frac{10}{3} = \frac{11}{10} [/tex]
[tex]3 \frac{1}{7} \times \frac{14}{33} = \frac{22}{7} \times \frac{14}{33} = \frac{4}{3} [/tex]
[tex] \frac{7}{13} \times \frac{29}{56} = \frac{1}{13} \times \frac{29}{8} = \frac{29}{104} [/tex]
[tex] \frac{25}{36} \times \frac{27}{50} = \frac{1}{4} \times \frac{3}{2} = \frac{3}{8} [/tex]
#bpjennie :)