2 câu trả lời
`a)11+99-48`
`=110-48`
`=62`
`b) 33-25+62-27`
`=8+62-27`
`=70-27`
`=43`
`c)43-27+68-43+92`
`=(43-43)+(68+92)-27`
`=0+160-27`
`=133`
Bài 1:
`a) 11 + 99 - 48`
`= 110 - 48 `
`= 62`
`b ) 33 - 25 + 62 -27`
`= 8 + 35`
`= 43`
`c) 43 - 27 + 68 - 43 +92`
`= 16 + 25 +92`
`= 41 + 92`
`= 133`
