Matematika

Pertanyaan

1.3/7+2/9
= a.6/16 b.5/16 c.41/63 d.6/63
2.4/5×3 1/2
= a.1 1/3 b.1 3/4 c.2 3/5 d.2 4/5
3.2 1/4:1/3
=a.2 2/7 b.3 3/4 c.6 3/4 d.7 1/3
4 jika 0,375 diubah ke bentuk persen menjadi
=a.3750 b.375 c.3.75 d.37.5

2 Jawaban

  • 1.) 3/7+2/9
       =27/63+14/63
       = 41/63

    2.) 4/5 x 3 1/2
       =4/5 x 7/2
       = 28/10
       = 14/5
       = 2 4/5

    3.) 2 1/4 : 1/3
       =9/4 : 1/3
       = 9/4 x 3/1
       = 27/4
       = 6 3/4

    4.) 0,375
       =0,375 x 100%
       =37,5%
  • 1. 3/7 + 2/9
    = 27/63 + 14/63
    = 41/63

    2. 4/5 * 3 1/2
    = 4/5 * 7/2
    = 2/5 * 7
    = 14/5
    = 2 4/5

    3. 2 1/4 : 1/3
    = 9/4 : 1/3
    = 9/4 * 3
    = 27/4
    = 6 3/4

    4. 0.375 * 100
    = 37.5

    maaf kalau ada kesalahan
    smoga membantu ;)

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