Ta có :
`99⋮11`
`11⋮1`
`=> 99+11 ⋮11`
__________________________
Ta có :
`121 ⋮ 11`
`15` \(⋮̸\) `11`
`=> 121-15` \(⋮̸11\)
______________________________
`33 ⋮11`
\(24^2=576⋮11̸\)
`363 ⋮3`
`=> 33 + 24^2 + 363` \(⋮̸11\)
__________________________________________
Ta có :
`11 ⋮11`
`28`\(⋮11̸\)
\(4848⋮̸11\)
`=> 11.28+4848` \(⋮̸11\)
______________________________________
`#LeMichael`
a ,99⋮11
11⋮11
⇒99+11 ⋮11⇒99+11 ⋮11
b,
121 ⋮11
15⋮̸ 11
⇒121−15⋮̸11
c,
33 ⋮11
242=576⋮̸11
363 ⋮ 11
⇒33+242+363⋮̸11
d,
11 ⋮11
28⋮̸11
4848⋮̸11
⇒11.28+4848⋮̸11