nie jest
powinno być
[tex] \frac{ {y}^{3} \times {y}^{2} \div {y}^{2} \times {y}^{7} }{ {y}^{2} \times y } = \frac{ {y}^{5} \div {y}^{2} \times {y}^{7} }{ {y}^{3} } = \frac{ {y}^{3} \times {y}^{7} }{ {y}^{3} } = \frac{ {y}^{10} }{ {y}^{3} } = {y}^{7} [/tex]
