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1/2.x+3/5.(x-2)=3
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Tìm x
1/2.x+3/5.(x-2)=3
tim x thuoc Z biet :
(x-1)^2 =(x-3)^4
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[1/2+1/3+1/4+.....+1/10] .x=1/9=2/8+3/7+.....+9/1
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1/2.x+3/5.[x-2]=3
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X - 6 : 2 - ( 48 - 24 ) : 2 : 6 - 3 = 0
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Tính giá trị biểu thức \(A=x^2-3x+1\) khi \(\left|x+\dfrac{1}{3}\right|=\dfrac{2}{3}\)
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tìm x
-5 nhân ( x+1/5 )-1/2 nhân ( x - 2/3) = 3/2 nhân x - 5/6
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Tìm x thuộc N biết : 1 mũ 3+ 2 mũ 3 + 3 mũ 3+...+ 10 mũ 3=(x+1) mũ 2
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