Problem
First name
Adi Chandramouli
School
Highgate Junior School
Country
Age
0
For question 1, I wrote out the 3 times tables from 1-9. I knew that 3x?=1/?1. I used the times tables I had written down and deduced that it was 7. I used this method for the other numbers in the equation. I did the same method to solve question 2. Answers:
1) a=4 b=2 c=8 d=5 e=7
2) f=8 g=5 h=7 i=1 j=4
1 212
carried numbers above the equation
142857
x 3
----------
428571
212 1
285714
x 3
_______
857142