if a1 a2 a3 are in ap and bk
if a1 a2 a3 are in ap and bk, if a1 a2 a3 are in ap, if for an ap a1 a2 a3, suppose a1 a2 a3 are in ap, in an ap if a2+a5-a3 10, if a2 b2 c2 are in ap, is b in a1 a2 a3, if for an ap a1+a3+a5 -12, let a1 a2 a10 be in ap, if an is an ap and a1+a4+a7, aka a1 a2 a3 a4, if 1/a 1/b 1/c are in ap, python a1 a2 a3, ap2/b3-like, one problem on a3-b3 / a2+ab+b2, a1+a2+a3 / b1+b2+b3, a3+a2b+ab2+b3, a3b-ab3+a2+b2+1
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if a1 a2 a3 are in ap and bk
if a1 a2 a3 are in ap
if for an ap a1 a2 a3
suppose a1 a2 a3 are in ap
in an ap if a2+a5-a3 10
if a2 b2 c2 are in ap
is b in a1 a2 a3
if for an ap a1+a3+a5 -12
let a1 a2 a10 be in ap
if an is an ap and a1+a4+a7
aka a1 a2 a3 a4
if 1/a 1/b 1/c are in ap
python a1 a2 a3
ap2/b3-like
one problem on a3-b3 / a2+ab+b2
a1+a2+a3 / b1+b2+b3
a3+a2b+ab2+b3
a3b-ab3+a2+b2+1
if a1 a2 a3 are in ap and bk, if a1 a2 a3 are in ap, if for an ap a1 a2 a3, suppose a1 a2 a3 are in ap, in an ap if a2+a5-a3 10, if a2 b2 c2 are in ap, is b in a1 a2 a3, if for an ap a1+a3+a5 -12, let a1 a2 a10 be in ap, if an is an ap and a1+a4+a7, aka a1 a2 a3 a4, if 1/a 1/b 1/c are in ap, python a1 a2 a3, ap2/b3-like, one problem on a3-b3 / a2+ab+b2, a1+a2+a3 / b1+b2+b3, a3+a2b+ab2+b3, a3b-ab3+a2+b2+1
