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

Toán Lớp 8: thực hiện phép tính: x ² +1 – x ^4+1/x ² +1

Toán Lớp 8: thực hiện phép tính:
x ² +1 – x ^4+1/x ² +1

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

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