$74制非负纯算全 75 ci→ 64000 CR R 0 0 33 -4 c-2为 0 00 -d 则必74混始的还多合以一个例如必76.§7.4 ✈✁✇✁①✁②✁③❅④ 9 ✡ 7–5 cj → 6 4 0 0 0 cB xB b x1 x2 x3 x4 x5 4 x2 1 0 1 0 1 2 6 x1 3 1 0 0 0 -1 0 x3 3 0 0 1 -4 -6 zj 6 4 0 4 2 cj − zj 0 0 0 −4 −2 ⑤✲ 7–4 ⑥✁⑦ø✱✠✁✲✁⑧✣✩ ✌ ✵✁✶, ✻ ✲ 7–6