14 February 2009

How to do???

Dear Mr Wan,
May I noe how to do Maths Journal (Question 7). I have been racking my brains for the answer but I still dun understand.

Samantha =P

2 comments:

Anonymous said...

Draw model

Total never changed

A has 9 less than B and C. A is the smalled unit. Try combining A,B,C

B got 13 less than A and C. B is the smallest unit. Try combining A,B,C

Both sets of A,B,C are of the same size.

Mr Wan

Anonymous said...

Thanks Mr Wan 4 d great haep!!

Samantha =P