Solution

163951

Problem / game
What does it all add up to? Back to problem
First name
Ci Hui Minh Ngoc
School
Kong Hwa
Country
Singapore
Age
0
Filename
nnoptN-For Two Questions -Three Neighbours and What Does It all add up to-byCiHu Minh Ngoci-NRICH.pdf

HI,
Please refer to the table prepared for Question "Three Neighbours":
The sum of 4 consecutive numbers is not a multiple of 4, as 6 is 3*2, it is not multiple of 4, therefore, 4a+6d is not multiple of 4

Rearranged the steps in proof sorters, then stated sum of consecutive number is not a multiple of 4, steps are shown