(5%-i)*( 100-108.11)=(5%-4% )*(100-104)(5%-i)=(5%-4% )*(100-104)/( 100-108.11)i=5%-(5%-4% )*(100-104)/( 100-108.11)=5%-1%*(-4)/(-8.11)=4.51% 这道题到了后面=5%-10%*(-4)/(-8.11)就不懂怎么算了,老师能一步步列等式出来吗?
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84785045 | 提问时间:2020 01/28 14:50
你好,0.05-0.01*(-4)/(-8.11)=0.05-0.01*0.4932=0.05-0.0049=0.0451。可以先两个负数相除得正数。
2020 01/28 15:00
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