Tolong dijawab.soalnya cuma 5 kok”)

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1. 4/5+1/4-1/2
2. 2,6+3/4-2 4/5 (jawaban desimal
3. 1 1/6×3/4:2/5
4. 45%:0,25×2 1/4 (jawaban pecahan)
5.1,25-0,5×1/4 (jawaban pecahan)
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Tolong dijawab.soalnya cuma 5 kok”)

Jawaban:

1. 11/20

3. 82.5

Penjelasan dengan langkah-langkah:

1. 4/5+1/4-1/2 = 16/20 + 5/20 – 10/20 = 11/20

3. 1 1/6×3/4:2/5 = 44/24×18/24 = 792/24

792/24:2/5 = 792/24×5/2

=3960/48 =82.5

4. 45%:0,25×2 1/4

=45/100:1/4×2 1/4

= 45/100×4/1×2 1/4 = 2 180/400

semoga membantu