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5.5%/1+5.5%的速算方法要最快的解题思路.最好写详细点.
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5.5%/1+5.5%的速算方法
要最快的解题思路.最好写详细点.
要最快的解题思路.最好写详细点.
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答案和解析
1+5.5%/5.5%
=1/5.5%+1
=1/(11/200)+1
=200/11+1
=211/11
所以5.5%/1+5.5%=11/211
=1/5.5%+1
=1/(11/200)+1
=200/11+1
=211/11
所以5.5%/1+5.5%=11/211
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