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【单选题】
在等式（ ） 3 ÷[（-2xyz） 2 -2x 4 y 3 z]=y中括号内应填入（ ）A.
8x 6 y 5 z 3
B.
8x 2 y 2 z
C.
2x 2 y 2 z
D.
±2x 2 y 2 z
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