1)x^2=32)x^2=12 3)x^2=3,6 4)x^2=8,1 5)x^2-0,1=0,06 6)30+x^2=31 7)49+y^2=0 8)1\6a^2=5 9)(x-1)^2=36 10)(y+5)^2=4 11)(x+7)^2=5 12) (y-1\9)^2=4\81
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