• 2022-05-28
    证明[tex=12.643x1.357]jop8dmpVmTrPnwbwtO6XqTolpvHZd82pqbo17vRD2YPN/Leb5BukBPscNVIY87lH9nqAIhmgBe19kSuFTbpRvA==[/tex]
  • [tex=14.786x1.357]jop8dmpVmTrPnwbwtO6XqVEdQ4/lHTcSu47ZkZRQkM+IkRrQWMDb/plo5FXuIQZH2EbGNh+OLnCPhRXJOOBRGJtaQ5YDWRloaHHr5vD83+f2XQ4jrYwEmrvkLh9H11pC[/tex]其中[tex=14.286x3.071]Ck4j1YFlvVH5wCAykOEMi/3K9UyMxDl9Ihay24Wwgwo5B+AEXWOgy3k1p0CEayhwDl1vPFO9NGUc5XfueOAVWgerxHb+vTQbT69Kiu0b5s5ivEfgVLQjJ5fLj3cQ/f3pnlItwgtbaRjakPjmMu4ubC0Q6JHZzCQWVlElhH9j6HNXgGe5u7PSqbUPQ2e7Quy0y8p8AcyZKCOP+NLNRiw01SMmdwVAVAWPGfQp6roruEHZW4296N4P7kGf8/mRH7F4[/tex]所以[tex=12.643x1.357]jop8dmpVmTrPnwbwtO6XqTolpvHZd82pqbo17vRD2YPN/Leb5BukBPscNVIY87lH9nqAIhmgBe19kSuFTbpRvA==[/tex]

    内容

    • 0

      SS3B型电力机车齿轮传动比为()。 A: 87/20 B: 74/17 C: 88/19 D: 82/17

    • 1

      5 3 8 12 7 5 4 5 14 6 2 9 7 8 7 13 6 9 A: 10 B: 15 C: 11 D: 17

    • 2

      设[tex=3.786x1.214]l++HEzoG+n7MrqgOj0vQSpFhBdeOV5Od2klpL1s5w34=[/tex]是指标集 [tex=0.5x1.0]ycRjqHa76IDpEZtluYQxdQ==[/tex] 标号的一组集合,[tex=0.786x1.0]ri6gmnf1+J9dGqG5/1sV6A==[/tex]是集合,证明:(1) [tex=12.643x1.357]MRulp5pJEyUq9Bws856mdfz9vazccIcMYYSoC76PiQy5uTR1NK9pMfBaHnaPj7BWjSHx0MdO+ttTxdrbhd304r580Hqmnei1MPqQf8E5GAzgflLAG2ugRgnffqqXzPOi[/tex](2)[tex=12.357x1.357]81rqCJpKh4CS72pWl9Cvj5pmvpwr9uhpqviskrbL2cNgI2BZ89WFj1qepzY9PH4KhVQ24Vtzd4FZCQCGi9rfs1jIRk+dHLU+tuldzbhMzvL3hOhBgNeYOLddQPKaSQEq[/tex].

    • 3

      【计算题】5 ×8= 6×4= 7×7= 9×5= 2×3= 9 ×2= 8×9= 7×8= 5×5= 4×3= 5+8= 6 ×6= 3×7= 4×8= 9×3= 1 ×2= 9×9= 6×8= 8×0= 4×7=

    • 4

        设 9 阶无向图 [tex=0.786x1.0]LyvDGollVJ+xwurtsLcn0g==[/tex] 中,每个顶点的度数不是 5 就是 6, 证明 : [tex=0.786x1.0]LyvDGollVJ+xwurtsLcn0g==[/tex] 中至少有 5 个 6 度顶点或至 少有 6 个5 度顶点.