Thum Liang's answer to Sunny Tan 's Primary 5 Maths question.

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Thum Liang
Thum Liang's answer
89 answers (A Helpful Person)
1st
54.5
Sunny Tan
Sunny Tan
7 years ago
I used this method but the teacher mark wrong
and said it was a fluke.
Any other working?
Thum Liang
Thum Liang
7 years ago
This method and answer is correct. Your teacher should not mark it wrong