Question 1: Find the highest common factor of 147x and 98y if HCF(x;y)=1.
Question 2: In a magic triangle, each of the six whole numbers 10; 11; 12; 13; 14; 15 is placed in one of the circles so that the sum, S, of the three numbers on each side of the triangle is the same. The largest possible value for S is______
Question 3: A pattern of triangle is made from matches shown as follows:
If there 2017 matches used, how many triangles has been formed?
P/s: Please help me! If possible, write the detail answer! Thanks for your help!!!
ABCD is a square,AB=a,AC intersects BC at O. M and N are points on the line segments BC anh DC respectively satisfying that MON=45.Then BMxDN=....a^2
The is too much .......... in this movie ( violent )
Dolphins sometimes are killed when they are ........... entrapped is fishing nets ( accident )
It is a good book because it is very ................... ( imform )
Third time luckly! After two ......... attemps, Mark's finally passed his driving test. ( succeed)
He is so nice. It is a ................ working for him ( please )
One disvantage of the internet is that it takes time away from..................... such as watching TV and reading . ( act)
He is behaving in a very ...... way ( mystery )
My teacher is very ......... about the history of Viet Nam (know )
Don't eat that fruit. It is ................. ( poison )
Tim is one of the ................. on a boat trip on Lake Michigan ( participate )
Question 1:In a magic triangle, each of the six whole numbers 10; 11; 12; 13; 14; 15 is placed in one of the circles so that the sum, S, of the three numbers on each side of the triangle is the same. The largest possible value for S is____
Q2:Find the highest common factor of 147x and 98y if HCF(x;y)=1
Q3: A pattern of triangles is made from matches shown as follows
if there are 207 matches used, how many triangles has been formed
The average of three numbers is 42. All three are whole positive number and are different from each other.
If the least number is 20, what could be the greatest possible number of the remaining two numbers?
Answer: ......
Bottle A contains 15% syrup. Bottle B contains 40% syrup. When these 2 bottles of syrup are mixed, the syrup content is 30% and the total volume is 600ml. How much syrup is in the bottle A at first?
Answer: ..........ml.
Bài 1: Read. Then answer the questions below.(2p)
The ancient town of Hoi An lies on the Thu Non river, 30 km south of Da Hang. It was formerly a major trading center in Southeast Asia between the 16th and 17th centuries. Hoi an is famous for it’s old temples, pagodas, small tile – roofed houses and narrow streets. All the houses were made of wood and their pillar we’re carved with ornamental design.
All visitors to Hoi an are commended a visit to the Assembly Hall of Cantonese Chinese Congregation. This house was built in 1855 and still keeps many precious objects that belonged to the Chinese community of Hoi an. Another attractive address to tourists is Tan Ky house, which was conducted nearly two centuries ago as house of a Vietnamese merchant. The house now looks almost exactly as it did in the early 19th century
In recent years, Hoi An has become a popular tourists destination in Vietnam. In 1999, it was certified by UNESCO as a World Culture Heritage Site.
1. Where is the ancient town of Hoi An situated ?
->________________________________________________________
2. What is Hoi An famous for?
->________________________________________________________
3. When was the Assembly Hall of Cantonese Chinese Congregation built ?
->________________________________________________________
4. The word ” famous” can be refered by _______
A. beautiful B. well-known C. unknown D. wonderful
5. Hoi An was declared by UNESCO as a World Cultural Heritage Site in the ____
the century.
A.18 B.19 C.20 D. 21
A pattern of triangles is made from matches shown as follows:
If there are 2017 matches used, how many triangles have been formed?
Answer: triangles.
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