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

Toán Lớp 9: bài 1 cho P = ( √x -4 /x-2 √x + 3/√x -2 ) : ( √x/√x -2 + √x+ 2 / √x ) với x>0 ; x

Toán Lớp 9: bài 1
cho P = ( √x -4 /x-2 √x + 3/√x -2 ) : ( √x/√x -2 + √x+ 2 / √x )
với x>0 ; x

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