Ответ:
[tex]1)84[/tex]
[tex]2)13[/tex]
Пошаговое объяснение:
[tex]1) {18}^{2} \div 9 + {12}^{2} \div 3 = \frac{ {18}^{2} }{9} + \frac{ {12}^{2} }{3} = 36 + 48 = 84[/tex]
[tex]2)( {7}^{2} - {6}^{2} ) \div (17 - {4}^{2} ) = (49 - 36) \div (17 - 16) = 13 \div (17 - 16) = 13 \div 1 = 13[/tex]
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Ответ:
[tex]1)84[/tex]
[tex]2)13[/tex]
Пошаговое объяснение:
[tex]1) {18}^{2} \div 9 + {12}^{2} \div 3 = \frac{ {18}^{2} }{9} + \frac{ {12}^{2} }{3} = 36 + 48 = 84[/tex]
[tex]2)( {7}^{2} - {6}^{2} ) \div (17 - {4}^{2} ) = (49 - 36) \div (17 - 16) = 13 \div (17 - 16) = 13 \div 1 = 13[/tex]