Penjelasan dengan langkah-langkah:
1. 1 4/5 - 1/4 + 3/4 = 36/20 - 5/20 + 15/20 = 31/20 + 15/20 = 46/20 = 23/10 = 2 3/10 atau 2,3
2. 2,75 + (1 1/2 - 25%)
2,75 + ( 3/2 - 0,25)
2,75 + ( 15/10 - 0,25)
2,75 + (1,5 - 0,25)
2,75 + 1,25 = 4,0 atau 4
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Penjelasan dengan langkah-langkah:
1. 1 4/5 - 1/4 + 3/4 = 36/20 - 5/20 + 15/20 = 31/20 + 15/20 = 46/20 = 23/10 = 2 3/10 atau 2,3
2. 2,75 + (1 1/2 - 25%)
2,75 + ( 3/2 - 0,25)
2,75 + ( 15/10 - 0,25)
2,75 + (1,5 - 0,25)
2,75 + 1,25 = 4,0 atau 4