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(15 la puterea 3) la puterea 9 • 15 la puterea 3 : la 15 puterea 28 - 15 la puterea 2

Răspuns :

Răspuns:

[tex] {(15}^{3} ) ^{9} \times {15}^{3} \div {15}^{28} - {15}^{2} = {15}^{27} \times {15}^{3} \div {15}^{28} - {15}^{2} = {15}^{30} \div {15}^{28} - {15}^{2} = {15}^{2} - {15}^{2} = 0[/tex]