Jawaban:
9. A
10.A
Penjelasan dengan langkah-langkah:
9. = 8 ⅔ + 2 ⅔ - 2,25
= 26/3 + 8/3 - 225/100
= 26/3 + 8/3 - 9/4
= 104/12 + 32/12 - 27/12
= 109/12
= 9 1/12
10. = 15% × 2,5 : 1 ¼
= 15/100 × 25/10 : 5/4
= 3/1 × 1/10 × 1/1
= 3/10
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Jawaban:
9. A
10.A
Penjelasan dengan langkah-langkah:
9. = 8 ⅔ + 2 ⅔ - 2,25
= 26/3 + 8/3 - 225/100
= 26/3 + 8/3 - 9/4
= 104/12 + 32/12 - 27/12
= 109/12
= 9 1/12
10. = 15% × 2,5 : 1 ¼
= 15/100 × 25/10 : 5/4
= 3/1 × 1/10 × 1/1
= 3/10