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
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!!!
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
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
You have 15 blue marbles. Your friend Duong takes away 3 and gives you 2. You drop 8 but pick up 4. Hung takes 4 and gives 5. You take one from Duong and give it to Hung in exchange for 3 more. You give those 3 to Duong and she gives you a blue and a yellow. Phong comes and takes the blue marbles Duong gave you and gives you a green. You give the green to Hung in exchange for a blue marble. Phong then takes a blue marble from Duong, gives it to Hung for a yellow, and gives you the yellow for a blue marble. How many green marbles do you have?
You have 15 blue marbles. Your friend Duong takes away 3 and gives you 2. You drop 8 but pick up 4. Hung takes 4 and gives 5. You take one from Duong and give it to Hung in exchange for 3 more. You give those 3 to Duong and she gives you a blue and a yellow. Phong comes and takes the blue marbles Duong gave you and gives you a green. You give the green to Hung in exchange for a blue marble. Phong then takes a blue marble from Duong, gives it to Hung for a yellow, and gives you the yellow for a blue marble. How many green marbles do you have?
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 \
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Câu 7: