2a=4.6
a=4.6/2
a=2.3
b+2=4.6
b=4.6-2
b=2.6
c/2=4.6
c=4.6*2
c=9.2
d-2=4.6
d=4.6+2
d=6.6
e+38=2
e=-38+2
e=-36
18f=3
f=3/18
f=1/6
g/85=1
g=85*1
g=85
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