Răspuns:
Explicație pas cu pas:
a)
[tex]\frac{5*7}{10} =\frac{xâ35}{10}[/tex]
b)
[tex]\frac{4*5}{2} =\frac{20}{2} = 10[/tex]
c)
[tex]\frac{9*5}{18} =\frac{45}{18}[/tex]
d)
[tex]\frac{9*4}{10} =\frac{36}{10}[/tex]
e)
[tex]\frac{10*2}{15} =\frac{20}{15}[/tex]
