Toán tiếng anh 5 à ,
a = 7
cách làm , ta quy đồng mẫu , lấy mẫu số chung nhỏ nhất là 18 :
2 / 3 = 12 / 18
5 / 6 = 15 / 18
a / 9 = a x 2 / 18
13 không thể là a x 2 vì không chia hết cho 2 nên a x 2 = 14
a = 14 : 2
a = 7
Find the value of aa such that $\dfrac{2}{3}.
Find the value of X such that $/dfrac{2}{3}
Mk nghĩ cái này bị lỗi rồi đấy!!!
Lesson 5: Find the value of a so that (a: 0.1) + (a : 0.2) + ( a : 0.5) + ( a : 0.25 ) + ( a : 0.125) = 290
1/- Four friends eating four pizzas that Jame size . John has 2/5 left , James has 1/3 left , Jacob has 1/4 left and Billy has 3/5 left . Who eats the most amount of Pizza ?
2/- Find the value of y such that : 1.1 x 1.2 x 1.3 x y = y x 2.1 x 2.2 x 2.3. Answer: y = ?
Find the value of y such that:
1.1 x 1.2 x 1.3 x y= y x 2.1 x 2.2 x 2.3
Find the value of y such that 1,1 x 1,2 x 1,3 x y = y x 2,1 x 2,2 x 2,3
Find the value of x such that\(\frac{216}{x}\)m=2400cm.
x=?
Giải hộ mình nhanh bài này nhé!
Câu 1:
of is
Câu 2:
Calculate: 4m 40cm + 3m 20cm = cm
Câu 3:
Convert: 2kg 16g = g
Câu 4:
Convert: 2hm 4dam = m
Câu 5:
Fill the suitable number in the following blank.
Câu 6:
There are 72 kilograms of rice divided equally into three bags. How many kilograms of rice does each bag contain?
Answer: kilograms.
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:
Find the value of such that .
Answer:
Câu 9:
Find X such that .
Answer: X=
Câu 10:
Amanda's average mark for the first four tests was 88. How many marks did she score for the fifth test to improve her average mark to 90?
Answer:
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