Jawaban:

1. 24 × 16 - 16 = 384 - 16 = 368 b

2. 1640 ÷ -40 + 12 × 60 = -41 + 720 = 679 a

3. ⅓ + 36 × ²/9 ÷ ¼ = ⅓ + 36 × ²/9 × 4 = ⅓ + 32 = 32 ⅓ d

4. 40.000 × ¾ - 3000 ÷ 0,25 = 30.000 - 12.000 = 18.000 b

5. 640 - 30 ÷ 2 ½ × 1,5 = 640 - 30 × 2/5 × 15/10 = 640 - 18 = 622 c

6. 15 × 12 ÷ 45 = 4 pensil per anak a

7. 1 - ⅔ - ⅕ = 15/15 - 10/15 - 3/15 = 2/15

6 × 2/15 = 0,8 meter a

8. 5 × 0,75 - ¾ = 3.75 - ¾ = 3.75 - 0.75 = 3 d

9. 40 ÷ 1 ¼ = 40 × 5/4 = 40 hari d

10. ¾ × 12 = 9 liter jus jambu

9 × ⅓ = 3 liter dimasukkan kulkas

9 - 3 = 6 liter dimasukkan plastik

plaatik yang dibutuhkan 6 ÷ ½ liter = 6 × 2 = 12 plastik d