moi trang sach duong tron va hinh tam giac co 3 diem chung ok
moi trang sach duong tron va hinh tam giac co 3 diem chung ok
Pat has a number of counters to place into the cells of a 3 x 3 grid. She may place any number of counters in each cell or leave some of the cells empty. She then finds the number of counters in each row and each column. Pat is trying to place counters in such a way that these six totals are all different.
What is the smallest total number of counters that Pat can use?
fill in each numbered balank with one suitable word
mary is a new english friend of ....... . She is very . to tell me about her new ...... Her lesson begin at nine each morning and .. until half past ten . the n she has a ...... for a quater of an hour . during this time she usualy talks to her friend about many thing such ....... the last class or last night 's movie , .... she has five .......... in the morning and three in the afternoon . marys favorite .... english . the firt tern lasts four month from september to december . mary tries her ............. to become a good student in the class .
fill in each numbered balank with one suitable word
mary is a new english friend of ....... . She is very . to tell me about her new ...... Her lesson begin at nine each morning and .. until half past ten . the n she has a ...... for a quater of an hour . during this time she usualy talks to her friend about many thing such ....... the last class or last night 's movie , .... she has five .......... in the morning and three in the afternoon . marys favorite .... english . the firt tern lasts four month from september to december . mary tries her ............. to become a good student in the class .
24 4- digit number can be formed by using 1,3,5 and 7, with each digit being used exactly one each time. Find the average of these 24 numbers?
The Pythagoras Patisserie sells triangular cakes at 39p and square buns at 23p each. Helen spent exactly £5.12 on an assortment of these cakes and buns. How many cakes and how many buns did she buy, given that £1=100p
FIND all the natural numbers a and b such that
the product of "largest common divisor" of (a,b) and "lowest common multiple" of (a,b) is 510510.
tricky problem
When a particular six-digit number is multiplied by 2, 3, 4, 5 and 6 respectively, each of the
products is still a six-digit number with the same digits as the original number but in a different
order. Find the original number.
How many 5-digit numbers contain all the digits 1, 2, 3, 4 and 5 and have the property that the difference between each pair of adjacent digits is at least 2?
Fill in the blank with the suitable number (Note: write decimal number with "the dot" between number part and fraction part. Example: 0.5)
Question 1:
Given .
Calculate: .
Question 2:
Given two triangles and .
If and then .
Question 3:
Suppose that is directly proportional to with the scaling factor is .
If and then k=.
Question 4:
In this figure, find the value of ?
Answer: .
(write your answer by decimal in simplest form)
Question 5:
Find the value of ?
Answer: .
(write your answer by decimal in simplest form)
Question 6:
Given two triangles and .
If and then the perimeter of is .
Question 7:
In this figure, .
Question 8:
The value of .
(write your answer by decimal in simplest form)
Question 9:
The perimeter of a triangle is and the sides of its are in a ratio of .
Then the sides's length of the triangle are .
(write your answer from least to greatest and used ";")
Question 10:
Fill the suitable number in the "?".
Answer: .
giúp mik vs nha please