Arnold K H Tan's answer to Wan Yu Liow's Secondary 3 E Maths question.

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Arnold K H Tan
Arnold K H Tan's answer
2124 answers (A Helpful Person)
1st
Also in your original question... use Camscanner to post clearer pictures.
Jiayang
Jiayang
6 years ago
You've made a careless mistake there, it's supposed to be 70x not 75x
Wan Yu Liow
Wan Yu Liow
6 years ago
sorry but thank you