A9.2%×8.6%×7.1%×7.5%
B(9.2%×8.6%×7.1%×7.5%)-100%
C109.2%×108.6%×107.1%×107.5%
D(109.2%×108.6%×107.1%×107.5%)-100%
答案: <查看本题扣1积分>
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