725 + 965 = 1690
8 x 180 = 1,440
725
180 plus 124 = 304
neagtive
620 + 100 = 720.
100+80, 99+81, 98+82....
a + 3a + 5a = 180 9a =180 a = 20
150
It is: 126 plus 54 = 180
180 = 180. Any other number does NOT equal 180.
725 = 72500%725 = 72500%725 = 72500%725 = 72500%