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Evaluate useing properties [-9/10] xx [...

Evaluate useing properties `[-9/10] xx [-3/5]-13/15+[-9/10] xx 3/20`

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`[-9/10]*[-3/5]-13/15+[-9/10]*3/20`
`27/50-13/15-27/200`
`27/50-(13*40-81)/(200*3)`
`27/50-439/600`
`-115/600`.
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