265.36-(273.9-?]+22.5=21.6

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265.36-(273.9-?]+22.5=21.6265.36-(273.9-?]+22.5=21.6265.36-(273.9-?]+22.5=21.6265.36-273.9+?+22.5=21

265.36-(273.9-?]+22.5=21.6
265.36-(273.9-?]+22.5=21.6

265.36-(273.9-?]+22.5=21.6
265.36-273.9+?+22.5=21.6
13.96+?=21.6
=7.64

265.36-(273.9-?)+22.5=21.6
(273.9-?)=265.36+22.5-21.6
(273.9-?)=266.26
?=273.9-266.26=7.24