Toán Lớp 7: (2x + 3) – (-x+1) bằng:
A.
x + 2
B.
3x + 2
C.
3x + 4
D.
3x – 2
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Toán Lớp 7: (2x + 3) – (-x+1) bằng:
A.
x + 2
B.
3x + 2
C.
3x + 4
D.
3x – 2
Comments ( 2 )
A.
x + 2
B.
3x + 2
C.
3x + 4
D.
3x – 2