Amal wants to place all the numbers 1 to 10 in the circles in the diagram with one number in each circle. She wants the sum of the numbers in any four circles that are in a straight line to be 23 , for example the sum of numbers in four grey circles is 23 . What number must she place in the circle containing the question mark?

פתרון

פתרון

The number : 23 or - 23

צעדי פתרון

Represent the number with

x

A.T.Q.:

x (x) = 23

x (x) = 23, x

פתור בשביל:

x = 23, x = - 23

The number : 23 or - 23

דוגמאות פופולריות

If the sum of two consecutive even integers is 46, find the integers.the sum of two numbers is 122. The difference between two times the larger number and three times the smaller number is 49. Find the numbers a number plus 6 the sum of two numbers is 53. If their difference is 25 find both numbers The sum of twice a number and 19 is-23