[tex]( {5}^{7} + {5}^{6} + {5}^{5} ) \div {5}^{5} + {9}^{7} \div {3}^{10} \\ [/tex]
[tex]2 \times {2}^{2} \times {2}^{2} la \: puterea \: 2 \div (2 + {2}^{2} + {2}^{2} la \: puterea \: 2 \div ( {2}^{2} la \: puterea \: 2 - {2}^{2} \times 2))[/tex]
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