(792.81×0.25+792.81×0.25)×(11×9-900×0.1-9 10/11/2021 Bởi Madeline (792.81×0.25+792.81×0.25)×(11×9-900×0.1-9
(792.81×0.25+792.81×0.25)×(11×9-900×0.1-9 )
= 0 x 18
= 0