1. 0,6 + 1/2 : (2/3-0,25) x 1 4/5..... 2. 2 1/2 x (8/9x5/6)..... tolong bantu jawab ya pakai cara besok dikumpulin. makasih
Matematika
heny74
Pertanyaan
1. 0,6 + 1/2 : (2/3-0,25) x 1 4/5.....
2. 2 1/2 x (8/9x5/6).....
tolong bantu jawab ya pakai cara besok dikumpulin. makasih
2. 2 1/2 x (8/9x5/6).....
tolong bantu jawab ya pakai cara besok dikumpulin. makasih
1 Jawaban
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1. Jawaban truemoonlight
1. 6/10 + 1/2 : (2/3 - 25/100) × 9/5
= 3/5 + 1/2 : (2/3 - 1/4) × 9/5
= 3/5 + 1/2 : (8/12 - 3/12) × 9/5
= 3/5 + 1/2 : 5/12 × 9/5
= 3/5 + 1/2 × 12/5 × 9/5
= 3/5 + 6/5 × 9/5
= 15/25 + 54/25 = 69/25 = 2 19/25
2. 2 1/2 × (8/9 × 5/6)
= 5/2 × 40/54
= 200/108 = 1 92/108 = 1 23/27