See Chin Shih Chang's answer to CV's Primary 6 Maths Data Analysis Singapore question

Chin Shih Chang's answer to CV's Primary 6 Maths Data Analysis Singapore question.

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Date Posted: 6 years ago

Comments 2 add a comment

6 years ago

Hi
Why Mary has 6u?

Chin Shih Chang

6 years ago

This is a unchanged difference concept. In the 1st model, the difference 4u must be changed to 8u. So Mary has to change from 3u to 6u. Darwin also has to change