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Which number will correctly fit in the blank box marked with letter K. 3/9 = K/18

Mathematics

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Answer

C. 6\text{C. 6}

A. 5581129\text{A. 5581129}

Step-by-step solution

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Hapa kuna masuluhisho ya maswali uliyotuma:

25. Nambari ipi itatoshea kwa usahihi kwenye kisanduku tupu kilichoandikwa herufi K?

Ili kupata thamani ya K, tunahitaji kutatua mlinganyo wa sehemu sawa:

39=K18\frac{3}{9} = \frac{K}{18}
  1. Angalia uhusiano kati ya madhehebu.

    Kutoka 9 hadi 18, tunazidisha kwa 2 (9×2=189 \times 2 = 18).

  2. Zidisha nambari ya juu kwa nambari sawa ili kupata K.

    Kwa kuwa tumebadilisha dhehebu kutoka 9 hadi 18 kwa kuzidisha kwa 2, tunapaswa pia kuzidisha nambari ya juu (3) kwa 2.

    K=3×2K = 3 \times 2 K=6K = 6

    Kwa hivyo, nambari inayofaa ni 6.

    Jibu sahihi ni C.
    C. 6\boxed{\text{C. 6}}

    26. Fanya hesabu 5622189−410605622189 - 41060

  3. Panga nambari kwa wima kwa kutoa.

    5622189−41060\begin{array}{r} 5622189 \\ - \quad 41060 \\ \hline \end{array}
  4. Fanya utoaji, kuanzia kulia kwenda kushoto.

    5622189−410605581129\begin{array}{r} 5622189 \\ - \quad 41060 \\ \hline 5581129 \\ \end{array}
    • 9−0=99 - 0 = 9
    • 8−6=28 - 6 = 2
    • 1−0=11 - 0 = 1
    • 2−1=12 - 1 = 1
    • 2−42 - 4: Hatuwezi kutoa 4 kutoka 2, kwa hivyo tunakopa 1 kutoka 6 iliyo karibu. 2 inakuwa 12, na 6 inakuwa 5. 12−4=812 - 4 = 8.
    • 5−0=55 - 0 = 5 (kutoka 6 iliyobaki baada ya kukopa)
    • 5−0=55 - 0 = 5

    Jibu ni 5581129.

    Jibu sahihi ni A.
    A. 5581129\boxed{\text{A. 5581129}}

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