One kilogram less than 40 kilogram is () kilogram

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• 1. 20% more than 45 kg______ &Kg & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; 30 ton ratio______ Twelve tons less than one ton
• 2. 5 kg 250 g = () g 6 ha 800 M2 = () ha 4.005 ha = () m2
• 3. Three fifths of a kilometer: 200 meters, the simplification is (), and the ratio is ()
• 4. 8 cm: 0.04 km
• 5. 2 tons: 350 kg______ Its ratio______ ．
• 6. 1 hour 20 minutes = fraction of an hour
• 7. 25 minutes is a fraction of an hour
• 8. 36 minutes is a fraction of an hour
• 9. 48 out of 60 = 48 out of 60 divided by several parts = 15 out of 20 = 15 out of 20 divided by several parts
• 10. Divide the 5-meter-long rope into 8 sections. How many parts of the rope is each section? How many meters is each section?
• 11. After cutting off the height of a cuboid by 2 cm, we just get a cuboid with an edge length of 5 cm. What is the surface area of the original cuboid?
• 12. A barrel of oil weighs 120 kg. After half of the oil is poured out, the barrel weighs 62 kg. How many kg?
• 13. 24 kg is one fourth less than how many kg?
• 14. How many tons is one fourth more than 20 tons? How many tons is one fourth more than 20 tons? How many tons is one fourth less than 20 tons?
• 15. Twenty five kilograms is a quarter more than how many kilograms
• 16. 3 kg is one fifth more than what
• 17. 1. () meter is 1.2 times more than 5m, 40kg is 20% less than () kg
• 18. () rice is 20% more than 20%, 3 kg is 40% less than () kg
• 19. More than half of the 12 kilogram is () kilogram
• 20. The number of ABC balls B is two fifths less than that of a ball, C ball is two thirds more than that of a ball, and a ball has 45 balls. How many balls are there altogether