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Vothibichngoc2811
2 năm trước
tính giá trị biểu thức A=2/3(x^3+y^2+z-1)/3+(x-y-z)(a+2)tại x=1;y=2;z=3 A. A=-10/3-4a B. A=-13/4-4a C. A=-11/3-2a D. A=-14/a-3a
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