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222-9+11+12:2*14+14 = ? ( )

Toán Lớp 11: 3cos(2x+pi/3)-căn 3 sin (2x+pi/3)=-căn 3 giúp em với ạ

Toán Lớp 11: 3cos(2x+pi/3)-căn 3 sin (2x+pi/3)=-căn 3
giúp em với ạ

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222-9+11+12:2*14+14 = ? ( )