8 7/9 - 3,5 + 80%=pake cara y
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            8 7/9 - 3,5 + 80%=pake cara y
               
            
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1. Jawaban cupid85
8 7/9 - 3,5 + 80%
= 79/9 - 35/10 + 80/100
= (79/9 × 100/100) - (35/10 × 90/90) + (80/100 × 9/9)
= 7900/900 - 3150/900 + 720/900
= 5470/900
= 6 70/900
= 6 7/90