Matematika

Pertanyaan

tolong besok dikumpul ....
pakek jalannya yah ....
tolong besok dikumpul .... pakek jalannya yah ....

2 Jawaban

  • 5).
    [tex] = 1 \frac{1}{2} + 2 \frac{2}{5} \\ = \frac{3}{2} + \frac{12}{5} \\ = \frac{15}{10} + \frac{24}{10} \\ = \frac{39}{10} \\ = 3\frac{9}{10} [/tex]
    Jawaban A

    6).
    [tex] = 2.4 \times \frac{5}{8} \div 2 \frac{1}{2} \\ = \frac{12}{5 } \times \frac{5}{8} \div \frac{5}{2} \\ = \frac{12}{5} \times \frac{5}{8} \times \frac{2}{5} \\ = \frac{12 \times 5 \times 2}{5 \times 5 \times 8} \\ = \frac{24}{40} \\ = \frac{6}{10} \\ = \frac{3}{5} [/tex]
    Jawaban B
  • Jawabannya :

    Mapel. : Matematika
    Bab. : Pecahan

    Pembahasan;

    5) 1 1/2 + 2 2/5
    = 3/2 + 12/5
    = 15/10 + 24/10
    = 39/10
    = 3 9/10 → Jwbnya

    6) 2,4 × 5/8 : 2 1/2
    = 24/10 × 5/8 : 5/2
    = 120/80 : 5/2
    = 120/80 × 2/5
    = 240/400
    = 30/50
    = 3/5 → Jwbnya

    # Maaf Kalo Salah