34.5 - 19.4 =
15.1
x-1.75=-19
x= -17.25
-3.5=-5x
x=0.7
3.4 + n =8
n= 4.6
87.19 / .3 =
270.6 R1
10.1 = S/(8)
s = 80.8
91.9 / .72 =
127 R46
986.4 - 3.975 =
982.425
0.64f=12.8
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