Toán Lớp 6: a) 8 chia hết cho (n -2)
b) ( 2.n +1 ) chia hết cho ( 6 – n )
c) 3.n chia hết cho ( n – 1 )
d) ( n + 22 ) chia hết cho ( n + 1)
e) ( 2n + 23 ) chia hết cho ( n – 1).
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Toán Lớp 6: a) 8 chia hết cho (n -2)
b) ( 2.n +1 ) chia hết cho ( 6 – n )
c) 3.n chia hết cho ( n – 1 )
d) ( n + 22 ) chia hết cho ( n + 1)
e) ( 2n + 23 ) chia hết cho ( n – 1).
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