@Bơ
`12 . 35 + 35 . 182 - 35 .94`
`=35 .(182+12-94)`
`=35.100`
`=3500`
`48 .19 + 48 . 115 + 134 . 52`
`= 48. ( 19+115)+ 134 . 52`
`=48.134+6968`
`=6432+6968`
`=13400`
`27 . 121 - 87 . 27 + 72 . 34`
`=27.(121-87)+ 72 . 34`
`=27.34+2448`
`=918+2448`
`=3366`