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Cho: \(S=\dfrac{1^2-1}{1}+\dfrac{2^2-1}{2^2}+\dfrac{3^2-1}{3^2}+....+\dfrac{n^2-1}{n^2}\)(n∈N*). CMR S không phải là số nguyên.

con sâu 

xâu chỉ

E vừa cập nhật câu trl cj load lại nhé

1 .......me to water these young trees every morning

2 ...... I talked to her was nearly three months ago

3 ........ not touching the things on display

4 ........have had a good time at his party last night

5 ........ does she behave that everyone loves her

1 's

2 hear

3 goes

4 get

5 comes

6 is

7 'll send

8 installs