Explicație pas cu pas:
[tex] {( {5}^{2} \times {2}^{2} ) }^{10} \div ( {2}^{19} \times {5}^{19}) = \\( {5}^{20} \times {2}^{20} ) \div ({2}^{19} \times {5}^{19} ) = \\ {5}^{1} \times {2}^{1} = 5 \times 2 = 10[/tex]
