Sử 8 $\color{Blue}{\bigstar\text{Hệ thống kiến thức sử}\bigstar}$

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C1
b .

 

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C2
c .

 

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C4
a .

 

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C3
b .

 

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C6
b .

 

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C7
b .

 

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C5
a .

 

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C9
d .

 

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C8
d .

 

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C10
b .

 

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C11
b .

 

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C20
b .

 

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C12
b .

 

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C19
d .

 

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C18
a .

 

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C13
b .

 

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C16
d .

 

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C17
c .

 

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C14
c .

 

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C15
c .