5m Zen
If 1
If 1 pictures 5
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If 1
if 1 kcal of heat is added
if 1 + sin^2 theta
if 1 log 9(3^1-x+2)
if 1 log10(4^x-2)
if 1 p/3
if 1 is a root of equation ay2+ay+3
if 1 2
if 1 2 4 y
