A5.6%×7.1%×8.5%×6.4%
B(105.6%×107.1%×108.5%×106.4%)-100%
C(5.6%×7.1%×8.5%×6.4%)100%
D105.6%×107.1%×108.5%×106.4%
答案: <查看本题扣1积分>
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