Toán Lớp 6: 7 chia hết cho ( x+1)
(x+3)(y-1)=5
5y+9chia hết cho 2y +1
13 chai hết cho ( x+-3)
3x+13 chia hết cho x+1
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Toán Lớp 6: 7 chia hết cho ( x+1)
(x+3)(y-1)=5
5y+9chia hết cho 2y +1
13 chai hết cho ( x+-3)
3x+13 chia hết cho x+1
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