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

Toán Lớp 11: Giải phương trình sau : sin (2x/3 – pi/3)=0 sin(2x +20*)=-√3/2 Giúp mk vs ạ

Toán Lớp 11: Giải phương trình sau :
sin (2x/3 – pi/3)=0
sin(2x +20*)=-√3/2
Giúp mk vs ạ

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