题目内容

A．ab-c/d-e+fg+hB．abc-de+/fgh++C．+/a-bc+def+ghD．abc-de+/f8h++

A. ab-c/d-e+fg+h
B. abc-de+/fgh++
C. +/a-bc+def+gh
D. abc-de+/f8h++

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