800030-133705=?,598302+471800=?.

To solve the first equation, 800030-133705, we subtract 133705 from 800030 as follows:

800030

• 133705

666325

So, 800030-133705 is equal to 666325.

To solve the second equation, 598302+471800, we add 598302 and 471800 as follows:

598302

• 471800

1073102

So, 598302+471800 is equal to 1073102.