Toán Lớp 9: Bài 1 Tìm x, biết
a) √4(3x-5)^2=4
b) √3^2+5 +12=0
c) -4√x+4 +7=0
d) 8-√(1/2x-3)^2=12
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Toán Lớp 9: Bài 1 Tìm x, biết
a) √4(3x-5)^2=4
b) √3^2+5 +12=0
c) -4√x+4 +7=0
d) 8-√(1/2x-3)^2=12
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