Các câu hỏi tương tự
H24
27 tháng 12 2023 lúc 21:57
In the fỉrst semester, the ratio between excellent student and the rest of this class are 3/7. In the next semester, there are 4 good students becomes excellent, so that the number of excellent are 2/3 the rest. How many students are there in this class?
Each box can hold five apples; seven oranges; eleven guavas.
How many guavas are there in five boxes?
Answer: There are guavas.
Hoa has eight pens in two box . Hoa buy fifteen boxs . How many pens are there does Hoa have ?
(giúp mình với . THANKS )
Equal regular pentagons are placed together to form a ring in the manner shown. The diagram shows the first three pentagons. How many moreare needed to complete the ring?
How many of the fractions in the list \(\frac{1}{6};\frac{2}{7};\frac{3}{8};......;\frac{2012}{2017};\frac{2013}{2018}\) are irreducible?
a survey was conducted on 100 students in the beginning of the year. the findings are as follows: 56 students liked mathematics, 38 students liked english, 52 students liked science, 6 student liked both mathematics and english, 4 students liked both english and science, 12 students liked all the three subjects. how many students liked both mathematics and science, how many student liked only mathematics
Toán Tiếng Anh:
1. How many boxes are crossed by a diagonal in a rectangular table formed by 199 x 991 small squares?
2. The son of a professor's father is talking to the father of the professor's son, and the professor does not take part in the conversation. Is this possible?
Toán Tiếng Anh:
1. How many boxes are crossed by a diagonal in a rectangular table formed by 199 x 991 small squares?
2. The son of a professor's father is talking to the father of the professor's son, and the professor does not take part in the conversation. Is this possible?
How many 5- digit numbers are greater than 40000 that ues the digits 1,2,3,4 and 5, and the digits cannot be repeated
A work is a building a wall of length 6 meters and hight 4 meters. There are 2 windowns on the wall. Both windowns are of the same size 1,5 meters hight and 1 meter wide. Each square meter of the wall needs 17 bricks. How many bricks are need in total?
đây là bài toán tiếng anh nhoa!!
các bn giải bằng tiếng việt giúp mk cũng đc(tiếng anh thì càng tốt)
thanks