A.8 3/4. C.20 1/4
B.9 3/4. D.21 1/4
Pak iwan membeli 5 4/5kg dodol.Lalu ia membeli lagi 9 7/10kg dodol.Jika sebanyak 5 3/4kg diberikan kepada tetangganya,berapa banyak dodol yang tersisa?pakai jalan kerjanya!!!
Jawaban Terkonfirmasi
5 4/5 + 9 7/10 = (5+9) + (4/5 + 7/10) = 14 + (8/10 + 7/10) = 14 15/10 = 15 5/10 = 15 1/2
15 1/2 – 5 3/4 = (14 – 5) + (3/2 – 3/4) = 9 + (6/4 – 3/4) = 9 + 3/4 = 9 3/4
Jawabannya : B
5 4/5 + 9 7/10 – 5 3/4 =
5 16/20 + 9 14/20 – 5 15/20 =
14 30/20 – 5 15/20 =
9 15/20 = 9 3/4