1.6/1 hour = () minutes 2.6.08 cubic meters = () cubic meters () cubic decimeters 3. A cylinder and a cone are of equal height and equal base. The sum of their volumes is 48 cubic centimeters, and the volume of this cone is () cubic centimeters 4. The side area of the cylinder is fixed, and the radius of the bottom is in direct proportion to () 5 ratio: 4.2:3 5cm: 30m Simplification ratio: 192:645.25:356/1:9/1 15 / 8:25 / 12 3T: 150kg Solution equation: 1.5x + 24 = 89 9 / 2 × 3 + 4x = 12 / 11 14 / 3x + 21 / 13X = 28 / 15 To find the ratio, simplify the ratio and solve the equation,
1.60 * (1 / 6) = 102.0.08 * 1000 = 80 cubic decimeter 6 cubic meter 80 cubic decimeter 3.1 / 3A + a = 48A = 3636 * (1 / 3) = 124. Height 5.4.2:3 = 1.45 cm: 30 m = 0.05 M: 30 m = 1 / 600 192:64 = 3:1 5.25:35 = 5:28 6 / 1:9 / 1 = 2:3 15 / 8:25 / 12 = 9:10 3 ton: 150 kg = 3000
RELATED INFORMATIONS
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- 2. 1. 2.5 times of a number is 45 times more than itself. What's the number? 2. There are 55 chickens in two cages. If one ninth of them is taken out of cage a and one seventh of them is taken out of cage B, the remaining chickens in the two cages are exactly the same? 3. There is a glass of sugar water, the weight ratio of sugar and water is 2:9, then add 4G sugar, the weight of sugar water is 92g 4. Solving equation 2、2/5×1/2-1/10x=1/6 Two fifths times one half minus one tenth times x = one sixth (*: not comprehensive)
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- 6. 1. A, B and c run the 100 meter race (assuming their speed remains the same). When a reaches the finish line, B is still 20 meters short, and C is 25 meters away. How many meters short is C when B reaches the finish line? 2. The walking speed ratio of Party A and Party B is 13:11. If Party A and Party B start from a and B at the same time and walk in opposite directions, they meet in two hours. If they walk in the same direction, how many hours will it take for Party A to catch up with Party B?
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- 8. 1. If f (x) = x ^ 2 + ax + 3, if x ∈ [- 2,2], f (x) ≥ a, find the range of A 2. For any x ∈ R, we know that f (x) + F (y) = f (x + y), and when x > 0, f (x) + F (y) = f (x + y), f(x)
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- 18. When a kettle with a mass of 0.3KG is filled with water, the total mass is 0.8kg, and when it is filled with another liquid, the total mass is 0.7kg, then the density of this liquid is () A. 1.4×103kg/m3B. 0.875×103 kg/m3C. 0.8 kg/m3D. 0.8×103 kg/m3
- 19. There is a square lawn with a side length of 40 meters. The side length has been increased by 10 meters and expanded into a larger lawn. How many square meters has the lawn area increased
- 20. 1、4+75/25-2+1/2= 2、(5/3-1)-(1/3-1/6)+5/10-1= 3、5-(13/6+11/8-17/12)-(2+1/6)= 4、5/12-【(8/5+11/30-8/15)-(17/10-7/20)】= 5、4/3-【3/4-(2/3-2/7)+3/14】+1+1/6-3/2= The first answer is: 11 / 2 The second answer is: 0 The third answer is: 17 / 24 The answer to the fourth question is: 1 / 3 The answer to the fifth question is: 5 / 12