Hazmo's answer to Ariff Iskandar's Secondary 3 E Maths Congruence And Similar Tests question.

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Hazmo
Hazmo's answer
10 answers (Tutor Details)
1st
Hi Ariff, for this question I use guess and check method. Since he needs to give 5, I make sure all my units give 5 in total. Then I trial and error. See my table for the results. Hope this helps !