When the ratio is 1:25%, 0.15:3, 50g: 0.2kg, 8cm: 200m, 0.8:5.6

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• 1. 125 to 2 / 3 and 320 g to 1.6 kg
• 2. Ratio: 0.15: three quarters, 50g: 0.2kg, simplification ratio: 0.3cm: 200m, 0.8: 5.6
• 3. Simplification ratio: 15 minutes: 0.3 seconds, 8 cm: 200 meters, 0.8:5.6
• 4. 400g to 2.5kg
• 5. Again, 20 grams is 37.5% less than 40 grams
• 6. A fifth increase in 40g is () g, a fifth increase in 40g is () g, and a few percent decrease in 40g compared with 50g（ A fifth increase of 40g is () g, a fifth increase of 40g is () g, a few percent less than 50g, and () g is 20% more than 40g
• 7. 820 grams is more than 82% of a kilogram, please
• 8. The number of a is 25% less than that of B, and the number of a and B is 82% more than that of a kilogram The number of a is 25% less than that of B, and the number of a and B is 25% less than that of B It is judged that 82% of the number of people with 820 grams per kilogram is 20% of the number of people with a, and the ratio of number B to number a is 1:5 The price of a commodity is reduced by 20% and then raised by 25%. The current price is equal to the original price
• 9. 20 g is 50 g (), 20 g is less than 50 g (), 50 g is more than 20 g ()%
• 10. 24 km is 20% more than () km; 15 g is 20% less than () km
• 11. 5 g to 1 / 4 kg, calculate the ratio
• 12. What is the ratio of 50g to 0.6kg?
• 13. 3 hours to 45 minutes, 800 grams to 3 kilograms, 1 hectare to 500 square meters It must be before 22 o'clock 4 of 35 to 3 of 21, 4 to 1 of 2
• 14. 125g to 2.4kg, calculate the ratio
• 15. A quarter more than 20 kg is () kg
• 16. () kg is four fifths less than 40 kg, and one fourth more than 40 kg is () kg
• 17. The surface area of the cuboid is 100 square meters It is 2.5 meters long and 2 / 5 meters wide. It is high
• 18. A barrel of oil weighs 120 kg, 20% of which weighs 96.6 kg. The weight of a barrel is 50 g, which is 10% more than that of a gram
• 19. How much is five grams more than three grams
• 20. 9 kg is one fourth less than how many kg?