Matematika

Pertanyaan

Jarak sesungguhnya jogja - jakarta 550 km.skala peta 1 : 2750000.berapa cm jarak ke 2 kota tersebut

5/8 : 3% =

3/12 : 2%=

4 2/6 - 2 12/15 - 1/5=

Pake cara ya

1 Jawaban


  • [tex]550km = 55.000.000cm \\ 55.000.000 \times \frac{1}{2.750.000} = 20cm[/tex]
    [tex] \frac{5}{8} \div \frac{3}{100} = \frac{5}{8} \times \frac{100}{3} \\ = \frac{500}{24} = \frac{125}{6} = 21 \frac{1}{6} [/tex]
    [tex] \frac{3}{12} \div \frac{2}{100} = \frac{3}{12} \times \frac{100}{2} \\ = \frac{300}{24} = \frac{25}{2} = 12 \frac{1}{2} [/tex]
    [tex] \frac{26}{6} - \frac{42}{15} - \frac{1}{5} = \frac{130 - 84 - 6}{30} \\ = \frac{40}{30} = \frac{4}{3} = 1 \frac{1}{3} [/tex]
    maaf kalau salah...

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