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

Toán Lớp 8: 1) x+1/2x+6 + 2x + 3/x^2+3x 2) 11x/2x-3 – x-18/3-2x 3) x/x-1 + x + 1/x^2-1 + 1/-x+1 (đê bài là thực hiện phép tín

Toán Lớp 8: 1) x+1/2x+6 + 2x + 3/x^2+3x
2) 11x/2x-3 – x-18/3-2x
3) x/x-1 + x + 1/x^2-1 + 1/-x+1 (đê bài là thực hiện phép tính ạ )

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