1)	Which+expression+is+equivalent+to+StartFraction+negative+18+a+Superscript+negative+2+Baseline+b+Superscript+5+Baseline+Over+Negative+12+a+Superscript+negative+4+Baseline+b+Superscript+negative+6+Baseline+EndFraction%3F+Assume+a+not-equals+0%2C+b+no
2)	%25C2%25BFQu%25C3%25A9%2520le%2520conviene%2520m%25C3%25A1s%2520al%2520comprador%2520de%2520un%2520reproductor%2520de%2520DVD%2520cuyo%2520precio%2520es%2520de%2520%243%2C200%3A%2520%250D%250Apagarla%2520de%2520contado%2520en%2520ese%2520precio%252
3)	%D0%BA%D0%B0%D0%BA+%D0%B2%D0%BA%D0%BB%D1%8E%D1%87%D0%B8%D1%82%D1%8C+%D0%BE%D0%B2%D0%B5%D1%80%D0%BB%D0%B5%D0%B9+%D1%81%D1%82%D0%B8%D0%BC+%D0%B2+%D0%BA%D1%81+2
4)	washington+post+medicare+advantage
5)	cubanet+++pablo+milan%C3%A9s+++entrada+++concierto
6)	cuantotiempoviveelzorrorojo
7)	mandarina+calorias
8)	bedoo.ru+%D1%81%D0%B0%D0%B9%D1%82
9)	%E9%A6%B4%E9%BE%8D%E8%A8%98%EF%BC%9A%E4%BC%AF%E5%85%8B%E5%B3%B6%E7%9A%84%E9%BE%8D%E9%A8%8E%E6%89%8B
10)	crystal+name+personality
11)	%E5%AF%BF%E5%8F%B8+%E6%BC%A2%E5%AD%97+%E7%94%B1%E6%9D%A5
12)	tehran+international+airport+reopen+for+limited+flights