Matematika

Pertanyaan

1. 4 1/2 + 1/4 × 6/7
2. 1,75 + 2,25 × 4
3. 3,4 : ( 2/10 × 1,8)
4. 4,8 + (1,8 : 0,9)
5. 2/5 + 800 % : 4

1 Jawaban

  • 4 1/2 + 1/4 × 6/7
    =1/4 × 6/7 = 1 × 6/4 × 7=6/28=3×2/14 × 2=3/14
    =4 1/2 + 3/14 =9/2 + 3/14 = 7×9+3/14
    =66/14 = 33×2/7×2=4 5/7

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