`2005xx30+401xx60+58xx2005`
`=2005xx30+2005xx12+58xx2005`
`=2005xx(30+12+58)`
`=2005xx100`
`=200500`
=2005 x (30+58)+401 x 60
=2005 x 88+401 x 60
=176440+14060
=200500
\(=2005\cdot30+2005\cdot12+2005\cdot58\)
\(=2005\cdot100=200500\)
`2005xx30+401xx60+58xx2005`
`=2005xx30+2005xx12+58xx2005`
`=2005xx(30+12+58)`
`=2005xx100`
`=200.500`