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Hasil dari 3 1/4×9/10:0,8

Bilangan Matematika · SD medium

Hasil dari 314×910:0,83\tfrac{1}{4}\times\tfrac{9}{10}:0{,}8 adalah ....

  1. A
    113501\tfrac{13}{50}
  2. B
    2892\tfrac{8}{9}
  3. C
    321323\tfrac{21}{32}
    ✓
  4. D
    437724\tfrac{37}{72}

Kunci jawaban

C

Penjelasan singkat

134×910=11740\tfrac{13}{4}\times\tfrac{9}{10}=\tfrac{117}{40}; dibagi 0,8=450{,}8=\tfrac{4}{5}: 11740×54=11732=32132\tfrac{117}{40}\times\tfrac{5}{4}=\tfrac{117}{32}=3\tfrac{21}{32}.

314=1343\tfrac14=\tfrac{13}{4}. 134×910=11740\tfrac{13}{4}\times\tfrac{9}{10}=\tfrac{117}{40}.

0,8=450{,}8=\tfrac{4}{5}, membagi = mengalikan kebalikannya: 11740×54=585160=11732=32132\tfrac{117}{40}\times\tfrac{5}{4}=\tfrac{585}{160}=\tfrac{117}{32}=3\tfrac{21}{32}. Jawabannya C.

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