Решите уравнения:
1)х * х=81
2)у * у=169
3)(х-3) * ( х-3) = 25
4)(у+2) * ( у + 2) = 49
1)х * х=81
2)у * у=169
3)(х-3) * ( х-3) = 25
4)(у+2) * ( у + 2) = 49
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Answers & Comments
1) 9×9=81
2)13×13=169
3)(8-3)×(8-3)=25
4)(5+2)×(5+2)=49
y=169:13
y=13