A
anhthudl
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Bài tập:Tìm x:
a) |x+\frac{1}{101}|+|x+\frac{2}{101}|+|x+\frac{3}{101}+...+|x+\frac{100}{101}=10x
b) |x+\frac{1}{1.2}|+|x+\frac{1}{2.3}|+...+|x+\frac{1}{99.100}|=100x
a) |x+\frac{1}{101}|+|x+\frac{2}{101}|+|x+\frac{3}{101}+...+|x+\frac{100}{101}=10x
b) |x+\frac{1}{1.2}|+|x+\frac{1}{2.3}|+...+|x+\frac{1}{99.100}|=100x
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