Matematika

Pertanyaan

Hasil dari 2 2/5 × 1 1/2 + 4 2/5 : 1 1/10 - 1 1/2


A. 6 17/22
B. 6 2/5
C. 6 1/10
D. 5 1/10




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1 Jawaban


  • [tex]2 \frac{2}{5} \times 1 \frac{1}{2} + 4 \frac{2}{5} \div 1 \frac{1}{10} - 1 \frac{1}{2} \\ \frac{12}{5} \times \frac{3}{2} + \frac{22}{5} \div \frac{11}{10} - \frac{3}{2} \\ = \frac{36}{10} + \frac{22}{5} \times \frac{10}{11} - \frac{3}{2} \\ = \frac{36}{10} + \frac{220}{55} - \frac{3}{2} \\ = \frac{36}{10} + \frac{20}{5} - \frac{3}{2} \\ = \frac{36}{10} + \frac{40}{10} - \frac{15}{10} = \frac{61}{10} \\ - > 6 \frac{1}{10} [/tex]

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