số lít xăng chiếc xe tiêu thụ khi đi quãng đường 50 km là:
12:2=6 (l )
sô lit xăng chiếc xe tiêu thụ khi đi quãng đường 250 km là:
12x2+6=30 (lit)
đáp số:30 l
A car consumes 12l of gasoline every 100km. How many liters of gasoline does the car consume if it travels a distance of 250km?
A car consumes 12l of gasoline every 100km. How many liters of gasoline does the car consume if it travels a distance of 250km?
Câu 3:
Calculate: 4m 40cm + 3m 20cm = cm
Câu 4:
of is
Câu 5:
There are 9 boxes of apples. Each box contains 35kg. If we take away 172kg from these boxes, how many kilograms of apples are left?
Answer: kilograms.
Câu 6:
A tank contained 414l of honey, of this amount was taken away. How many liters of honey are left?
Answer: liters.
Câu 7:
The first box contains 350kg of strawberries. The second box contains 50kg of strawberries more than the first one does. How many kilograms of strawberries do the two boxes contain?
Answer: The two boxes contain kilograms of strawberries.
Câu 8:
A car consumes 12l of gasoline every 100km. How many liters of gasoline does the car consume if it travels a distance of 250km?
Answer: liters.
Câu 9:
Look at this sequence: 0; 2; 4; 6; 12; 22;
What number should come next?
Answer:
Câu 10:
Calculate:
Problem 8. A cuboid container has dimensions as in the figure. The container has 54 liters of water in it. Bình wants to know a full bucket contains how many liters of water, so he pours the whole bucket of water into the container and finds that the level of the water is now 7 8 the height of the container. From that, he is able to calculate how many liters of water a full bucket contains. If the container is empty, how many buckets of water must Bình pour into the container to make it full?
Câu 6:
4.8l of oil weigh 3.648kg. How many liters of oil are there if they weigh 4.864kg?
Answer: There are liters
(Write your answer as a decimal in the simplest form)
Câu 6:
4.8l of oil weigh 3.648kg. How many liters of oil are there if they weigh 4.864kg?
Answer: There are liters
(Write your answer as a decimal in the simplest form)
Câu 7:
Inspecting products of a factory, we find that there are 97 qualified products out of every 100 products on average. What percent of the total products is qualified products?
Answer: %
Câu 8:
A rectangular field has a width of 24.5m and its area equals the area of a square with the sides of 35m. Find the perimeter of that rectangular field.
Answer: m
Câu 9:
The area of a triangle ABC is , take the point M on BC such that BM=MC and the point N on AC such that AN=NC. Find the area of the triangle AMN.
Answer:
Câu 10:
A store sold 902kg of rice which is 10.25% of the total amount of rice. How many kilograms of rice were there in that store at first?
Answer: There were kilograms
Câu 1:
A tank contained 414l of honey, of this amount was taken away. How many liters of honey are left?
Answer: ................................................ liters.
Câu 2:
There are 9 boxes of apples. Each box contains 35kg. If we take away 172kg from these boxes, how many kilograms of apples are left?
Answer: .................................... kilograms.
Câu 3:
Given fraction . If both its denominator and its numerator are increased by M units then the new fraction will equal to . The value of M is ..................................................
A tank contained 414l of honey, 1/3 of this amount was taken away. How many liters of honey are left?
A car travels 170 km at a speed of 42,5 km/h . Find the time car takes to cover this distance .
