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2%=X?? 33.33%+(1-X)?? (-25%) 解X怎么解,過(guò)程怎么寫
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2%=X?? 33.33%+(1-X)?? (-25%)
0.02=0.3333X-0.25+0.25X
0.27=0.5833x
x=0.4629
2021 04/16 19:20
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2%=X?? 33.33%+(1-X)?? (-25%) 解X怎么解,過(guò)程怎么寫
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