Short-form: $15/month
46. 2026年政府工作报告, www.shizhong.gov.cn/gongkai/sit…
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Samsung Unpacked 2026: 5 surprise products we could see besides the S26 Ultra，详情可参考爱思助手下载最新版本
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: