Đề kiểm tra định kì lớp 2

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 * + -        * +    -           I -      +*    :  .  9 2 3G0 899 2 2 G  2 9K/3G0 8FGEX9 2 3G0 89 2 7 I G 2 G  W.2R -2 H+047*<=,-5+,)47<=()O/01X1O>UV-2R -2 H+0478 UUKI3FG949  2 V275D6 2 G9G  2 U7F#/IF#I 2 V275D6 2 G9G  E.5 2& apos;NOBV5U'(U)/QBK',) 42& lt;N47B<(-2Y*'T-*)/35BC+47-'01M'1*'0O8 I. G 2 G  W.2R -2 H+047*<=,-5+,)47<=()O/01X1O>UV-2R -2 H+0478 UUKI3FG949  2 V275D6 2 G9G  2 U7F#/IF#I 2 V275D6 2 G9G  E.5 2& apos;NOBV5U'(U)/QBK',) 42& lt;N47B<(-2Y*'T-*)/35BC+47-'01M'1*'0O8 I. 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