goodsamathritan's answer to Isaac's Primary 5 Maths Whole Numbers Singapore question.

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goodsamathritan
Goodsamathritan's answer
745 answers (Tutor Details)
The first idea that came upon me was Guess and Check. Likely there are other methods that will work.
Isaac
Isaac
4 years ago
Sorry. My teacher does not want me to use Guess and Check. But thank you for the answer in another method!
goodsamathritan
Goodsamathritan
4 years ago
no problem! the above method is better :)