Membeli 2 potong kain panjang 2 1/2 m dan 3/4 m digunakan membuat pakaian 1 4/5 m . Sisa kain?

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Membeli 2 potong kain panjang 2 1/2 m dan 3/4 m digunakan membuat pakaian 1 4/5 m . Sisa kain?

Jawaban:

Sisa

= 2 1/2 + 3/4 – 1 4/5

= 5/2 + 3/4 – 9/5

= 50/20 + 15/20 – 36/20

= 29/20

= 1 9/20 m