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crazypilll
@crazypilll
June 2021
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Решите уравнения. ПЛИИИИИИИИИИИИИИИИИЗ
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TMBLRqueen
2)69-(13-у)^2=-y^2
69-169+26y-y^2+y^2=0
26y=100
y=0,26
4)31-t^2=-(t-9)^2
31-t^2+t^2-18t+81=0
-18t=-112
t=112/18=56/9
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Answers & Comments
69-169+26y-y^2+y^2=0
26y=100
y=0,26
4)31-t^2=-(t-9)^2
31-t^2+t^2-18t+81=0
-18t=-112
t=112/18=56/9