Toán Lớp 9: tìm x :
1.3√x =12
2.√25x ≤35
3.2√x ≥√10
4.√(x-2)^2 =3
5. √(x-3)^2 =9-2x
6. √7-x^2 =2
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Toán Lớp 9: tìm x :
1.3√x =12
2.√25x ≤35
3.2√x ≥√10
4.√(x-2)^2 =3
5. √(x-3)^2 =9-2x
6. √7-x^2 =2
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