1867764
24905522
18668662
3874186
3523052
6698205
9663164
8809435
.234993771950393
what is the staard nd
96631648809435
3523058
.96631648809435
SEN X= 1/2
100s+20r-98s+58r
30/3-5+6
8x-5y-6y+2y+2x
