Раскрыты подробности похищения ребенка в Смоленске09:27
Медведев вышел в финал турнира в Дубае17:59
，更多细节参见WPS官方版本下载
近日，中共中央办公厅印发《关于在全党开展树立和践行正确政绩观学习教育的通知》。《通知》指出，经党中央同意，在全党开展树立和践行正确政绩观学习教育。，这一点在爱思助手下载最新版本中也有详细论述
I learned that for 4-SAT, if clause to variable ratio is more than 10, the generated problems become difficult to solve, and the likelihood of formula to be SAT or UNSAT is close to 50%. So I generated 3 types of formulas: