现在
=0.67×8.3+2.7×0.67-0.67
=0.67×(8.3+2.7-1)
=0.67×10
=6.7
标签：7y7y,网站
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现在
=0.67×8.3+2.7×0.67-0.67
=0.67×(8.3+2.7-1)
=0.67×10
=6.7
标签：7y7y,网站
