Arnold K H Tan's answer to lana <3's Secondary 3 A Maths Singapore question.

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Arnold K H Tan
Arnold K H Tan's answer
2155 answers (A Helpful Person)
1st
Half asleep... method is correct... check for any careless mistakes...
lana <3
Lana <3
2 years ago
checked it !! i understand your method a lot better then i understood my school teachers method. You had a few careless mistakes but they were easily correctable! thank you very much for your help !
Arnold K H Tan
Arnold K H Tan
2 years ago
Welcome. Late nights and Math don't mix well... haha

Guessing your teacher used the quotient/remainder method.. useful for some questions and preferred that you understand its use...