(1009-918:27•25)+136
(1009-918:27*25)+136 = (1009-34*25)+136 = (1009-850)+136 = 159+136 = 295
(1009-918:27*25)+136=295 1) 918:27=34 2) 34*25=850 3) 1009-850=159 4) 159+136=295