Workout 6+4= dash (mod7) using the dial

Mathematics

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Workout 6+4=dash(mod7)6+4=\text{dash} \pmod{7} using the dial.

  1. Fanya nyongeza ya namba.

    Tunahitaji kuongeza 6 na 4.

    6+4=106 + 4 = 10
  2. Tafuta salio (remainder) baada ya kugawanya kwa 7.

    Sasa tunagawanya 10 kwa 7 ili kupata salio.

    10÷7=1 na salio la 310 \div 7 = 1 \text{ na salio la } 3

    Hii inamaanisha kwamba 10 ni sawa na 3 katika moduli 7.

    10≡3(mod7)10 \equiv 3 \pmod{7}

    Kwa kutumia dial (saa ya moduli 7), unaweza kuanza kwenye namba 6, kisha usogeze hatua 4 kulingana na mwelekeo wa saa.
    Kuanzia 6:

    1. Hatua ya 1 inakupeleka 0 (kwa sababu 6+1=7, ambayo ni 0 mod 7)
    2. Hatua ya 2 inakupeleka 1
    3. Hatua ya 3 inakupeleka 2
    4. Hatua ya 4 inakupeleka 3

    Jibu:

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