Toán Lớp 7: Tính A= $\frac{1}{100}$- $\frac{1}{98.99}$-…- $\frac{1}{1.2}$
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Toán Lớp 7: Tính A= $\frac{1}{100}$- $\frac{1}{98.99}$-…- $\frac{1}{1.2}$
Comments ( 1 )
A=$\frac{1}{100}$-($\frac{1}{99.98}$+…+$\frac{1}{1.2}$)
A=$\frac{1}{100}$-($\frac{1}{99}$-$\frac{1}{98}$+…+$\frac{1}{2}$-1)
A=$\frac{1}{100}$-($\frac{1}{99}$-1)
A=$\frac{1}{100}$-$\frac{-98}{99}$ =……….
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