Matematika

Pertanyaan

1. 9 - 4 7/9
2. 2 1/2 × 3 1/4
3. 7 2/4 + 4 1/3
4. 7 × 2 1/4
5. 0,45 + 3/4
6. 1/8 + 0,35
7. 25% + 2/3
8. 75% + 0,5

Tolong jawab sekarang

2 Jawaban

  • 1. 9 - 4 7/9
    =9 - 28/9
    =53/9
    =5 8/9
  • 1. 9- 4 7/9 = 5 7/9
    2. 2 1/2 + 3 1/4= 2 2/4 + 3 1/4 = 5 3/4
    3.7 2/4 + 4 1/3 = 7 6/12 + 4 4/12= 11 10/ 12= 11 5/6
    4.7 X 2 1/4 = 7 X 9/4= 63/4 = 15 3/4
    5. 0.45 + 3/4 = 45/100 + 3/4= 45 /100 +75/ 100
    = 120 / 100 = 6/ 5= 1 1/5 atau 1,2
    6.1/8 + 0,35 = 1/8. + 35/100 = 25 /200 + 70/200= 95/ 200 = 19/40 atau 0,475
    7. 25/100+2/3= 75/300 + 200/300 =275/300= 11/12 atau 0,9166
    8. 0,75 + 0,5 = 1,25

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