Matematika

Pertanyaan

tolong di bantu y kak
tolong di bantu y kak

1 Jawaban

  • 1.
    [tex]3 \frac{5}{8} \times 2 \frac{2}{3} = \frac{29}{8} \times \frac{8}{3} = \frac{232}{24} = 8 \frac{5}{3} [/tex]

    2.
    [tex]1.25 \times 3.18 = 3.975[/tex]

    3.
    [tex]3 \frac{2}{3} \div 2 \frac{1}{2} = \frac{11}{3} \div \frac{5}{2} = \frac{11}{3 } \times \frac{2}{5} = \frac{22}{5} = 1 \frac{7}{15} [/tex]

    4.
    [tex]46.17 \div 3.8 = \frac{46.17}{3.8} = 12.15[/tex]


    5.
    [tex]2 \frac{4}{5} \times 2 \frac{3}{4} \div 1 \frac{3}{8} = \frac{14}{5 } \times \frac{11}{4} \div \frac{11}{8} = \frac{154}{20} \div \frac{11}{8} = \frac{154}{20 } \times \frac{8}{11} = \frac{77}{10} \times \frac{8}{11} = \frac{616}{110} = 5 \frac{33}{55} [/tex]

    6.
    [tex]4.8 \div 0.06 \times 0.45 = 80 \times 0.45 = 36[/tex]

    7.
    [tex]3.2 - 2.6 \times 0.175 = 3.2 - 0.455 = 2.745[/tex]

    8.
    [tex]3 \frac{1}{3} \times 1 \frac{1}{2} \div 175\% = \frac{10}{3} \times \frac{3}{2} \div \frac{175}{100} = \frac{30}{6} \frac{175}{100} = \frac{6}{30} \times \frac{175}{100} = \frac{1050}{3000} = \frac{7}{20} [/tex]

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