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[tex] {9 }^{2} [/tex]
[tex] {19}^{2} [/tex]
[tex] {11}^{2} [/tex]
[tex] {7 } ^{2} + {2}^{2} [/tex]


Răspuns :

Răspuns:

9²=81

19²=361

11²=121

7²+2²=49+2=51

Explicație pas cu pas:

9 la puterea a doaua = 9•9=91, 9•9•9•9•9•9•9•9•9 = 91

19•19=361 ,19•19•19•19•19•19•19•19•19•19•19•19•19•19•19•19•19•19•19=361

11•11 =121, 11•11•11•11•11•11•11•11•11•11•11=121

7la puterea 2 + 2 La puterea 2 = 51